Guide to the Wetland Birds of Missouri

Discover the wetland birds of the State of Missouri with this identification guide featuring 54 species plates. To simplify identification, we’ve categorized resident and migrant birds by size—from massive pelicans to secretive rails. By focusing on these distinct size groups, you’ll quickly learn to recognize key traits, habitats, and behaviors within Missouri’s wetlands, riparian zones and coastal marshes.

How to use this Guide

Click on any of the four size groups below (Crane, Stork, Egret, and Gallinule) to explore the species included in the category. You can also use the Table of Contents below this section to browse the entire guide.

Crane
>10 lb
Wood Stork
5-10 lb
Egret
1-5 lb
Gallinule
<1 lb

While weight offers a useful starting point, appearances can be deceiving—plumage, body shape, and leg length often make a bird look larger or smaller than its true size.

Missouri Wetlands

Missouri contains approximately 260,200 hectares (643,000 acres) of wetlands, which accounts for 1.4% of the state’s total area. 

Statistics of Interest

  • Catastrophic Historical Losses: Missouri has destroyed roughly 87% of its original wetland resources. Prior to European settlement, the state held about 4.8 million acres of wetlands, but agricultural conversion, urban sprawl, and flood control measures reduced that footprint to today’s fraction. 
  • Devastation of the “Swampeast” Bootheel: The Missouri Bootheel region was historically known as “Swampeast” due to its massive, 2.4-million-acre network of forested wetlands. Today, less than 2% (under 60,000 acres) of those original bottomland swamps remain intact.
  • Crucial Mississippi Flyway Sanctuary: Positioned squarely within the Mississippi Flyway, Missouri’s remaining wetlands serve as vital resting and wintering environments for hundreds of thousands of migrating waterfowl, raptors, and shorebirds, including bald eagles. 
  • Critical Habitat for Species of Concern: More than 100 bird species rely on Missouri’s wetlands for part of their lifecycle, and over 200 of the state’s avian “species of concern” rely on these shrinking marshes, swamps, and groundwater-fed fens as their primary habitat.
  • Exceptional Localized Bird Concentrations: High-quality preserved zones illustrate the power of these environments; for example, the Eagle Bluffs Conservation Area along the Missouri River utilizes managed wetlands to attract remarkable biodiversity, recording 284 distinct bird species.

Wetlands constitute less than 5% of the land area of the contiguous United States.

More about wetlands: Understanding Wetlands: An Overview for State Bird Guides

Birds of Missouri’s Marshes, Swamps, and Coastal Wetlands

This guide highlights the 54 bird species most closely tied to Missouri’s water systems. It features classic wading species—herons, egrets, and ibises—along with other wetland regulars like loons, grebes, coots, rails, and snipes.

While these species are the focus of this guide, they are rarely the only birds you’ll find in the marsh. For a broader overview of the species commonly seen in open water, shallows, and grassy edges, explore our Guide to the Ducks, Geese, and Swans of Missouri.

The breakdown of wetland birds by group is as follows:


Very Large Wetland Birds of Missouri (>10 lb)

This category includes the true giants of Missouri’s wetlands. Though few in number, these species command attention with their size, broad wingspans, and body mass. Individuals in this group range from approximately 11 to over 16 pounds, making them the heaviest regularly occurring wetland birds in the state. Their size, slow wingbeats, and visual presence distinguish them clearly from all other waterbirds.

Whooping Crane


Length: 52″ | Wingspan: 87″ | Weight: 15 lb

Identification: Adults are bright white with a crimson crown, and black wingtips visible in flight. Immatures are whitish below with mottled brownish-rusty plumage above.
Habitat: The Whooping Crane (Grus americana) favors open habitats, such as marshes, shallow wetlands, river flats, croplands, and grasslands.
Status and Movements: The Whooping Crane is a rare transient in Missouri, present from March through April and October through November. It arrives in early spring, inhabiting shallow wetlands and river corridors.
Behavior: Forages by pecking, probing, and gleaning. Monogamous, forming lifelong pairs. Courtship includes elaborate dancing.
Diet: Generalist, including Invertebrates, small vertebrates, tubers, berries, waste grains, blue crabs, and clams.
Nest: A mound of vegetation, 2–5 ft across, flat or shallowly concave, built in shallow water on islands.
Breeding: Season: January-May | Clutch: 1–3 light brown with brown splotches eggs | Incubation: 29–31 days | Hatchlings: able to walk within hours.
Lifespan: At least 28 years, 4 months.
How many are there? ~802 individuals in 2021, including 136 in captivity.
Conservation Status: Federally endangered.


American White Pelican


Length: 62″ | Wingspan: 108″ | Weight: 16.5 lb

Silent

Identification: Adult: Snowy white with black flight feathers visible in flight. Yellow-orange bill and legs; breeding adults show a yellow chest patch and grow a bill horn. Immature: Mostly white with dusky head, neck, and back.
Habitat: The American White Pelican (Pelecanus erythrorhynchos) forages in shallow inland marshes, lake and river edges, estuaries, sloughs, and inlets.
Status and Movements: The American White Pelican is a common transient and summer resident in Missouri, present from March through November. It arrives in early spring, inhabiting large lakes and major river systems..
Behavior: Forages by dipping bill at the water’s surface to scoop fish; also upends like dabbling ducks. Known for cooperative foraging, driving fish toward shore. Highly gregarious.
Diet: Primarily small fish, but also salamanders, tadpoles, crayfish, and game fish.
Nest: A shallow depression on the ground, sometimes lined with vegetation. Nests in colonies.
Breeding: Season: April-late August | Clutch: 2 chalky white eggs | Incubation: ~30 days | Nestling period: 63–70 days.
Lifespan: At least 23 years, 6 months.
How many are there? Global population estimated at ~450,000.
Conservation Status: Low conservation concern.


Sandhill Crane


Length: 45.6″ | Wingspan: 77″ | Weight: 11 lb

Identification: Adult: Slate gray with rusty wash, pale cheek, red crown, black legs. Juvenile: Gray and rusty brown, lacking pale cheek and red crown.
Habitat: The Sandhill Crane (Antigone canadensis) forages in open wetlands, prairies, bogs, lakes, croplands.
Status and Movements: The Sandhill Crane is an uncommon transient in Missouri, present from February through May and October through December. It arrives in late winter, inhabiting wet meadows and shallow marshes.
Behavior: Forages for food by gleaning/probing. Social. Pairs perform elaborate dances.
Diet: Sandhill cranes feed on invertebrates, small vertebrates, seeds, berries, tubers.
Nest: Cup-shaped structure of dominant vegetation, 30–40 in across, on the ground.
Breeding: Season: Jan to May. Breeding age: 2–7 years | Clutch: 1–3 pale brownish yellow/gray markings eggs | Broods: 1 | Incubation: 29–32 days | Offspring dependency: 9–10 months.
Lifespan: At least 37 years, 3 months.
How many are there? The global population of Sandhill Cranes is estimated to be between 650,000 and over 800,000 individuals.
Conservation Status: Low concern.


Common Loon


Length: 31″ | Wingspan: 46.9″ | Weight: 10.6 lb

Identification: Breeding: black head, spotted back, white breast. Nonbreeding: gray back/head, white throat. Juvenile: like nonbreeding with scalloping. Large, rounded head, dagger-like bill.
Habitat: The Common Loon (Gavia immer) favors clear freshwater lakes, ponds, islands, seacoasts, reservoirs, estuaries, rivers.
Status and Movements: The Common Loon is a regular transient in Missouri, present from March through May and October through November. It arrives in early spring, inhabiting deep lakes and large reservoirs.
Behavior: Stealthy divers, catch fish underwater. Monogamous pairs; vocal nocturnal choruses. Males yodel for territory.
Diet: Common loons feed on fish, perch, sunfish, croaker, silversides, crustaceans, snails, leeches, aquatic insect larvae.
Nest: Mound of dead sedges and grasses on protected lakeshores or islands near water.
Breeding: Season: May-Oct | Clutch: 1-2 brown, with dark splotches eggs | Broods: 1 | Incubation: 26-29 days | Nestling: 1-2 days.
Lifespan: At least 29 years, 10 months.
How many are there: There are ~1.2 million Common Loons globally.
Conservation Status: Low Concern.


Large-Wetland-Birds of Missouri (5-10 lb)

This category includes four species weighing between approximately 5 and 10 pounds. Members of this group are substantial in size and often appear even larger due to elongated legs and tall, upright posture. Their height and broad wingspans contribute to a strong visual presence in wetland habitats, placing them clearly above medium-sized species but below the heaviest wetland birds in the state.

Bald Eagle


Length: 31″ | Wingspan: 80″ | Weight: 9.5 lb

Identification: Striking white head and tail contrasting with a dark brown body and wings, plus yellow legs and bill. Immatures are dark with mottled brown-and-white, and take about five years to acquire full adult plumage.
Habitat: The Bald Eagle (Haliaeetus leucocephalus) is found in forests near large bodies of water with tall mature trees for nesting. In winter, they use dry open uplands as well.
Status and Movements: The Bald Eagle is a year-round resident in Missouri, present from January through December. It breeds in early spring and concentrates in winter, inhabiting mature riparian timber corridors.
Behavior: Powerful fliers that hunt, steal prey from other animals, scavenge carrion, and even feed on garbage.
Diet: Primarily fish, but also birds, reptiles, amphibians, crabs, rabbits, and muskrats.
Nest: Bald Eagles have the largest nests of any North American bird. Nests are placed in tall trees, cliffs, or occasionally on the ground.
Breeding: Season: December-mid-May (South) | Clutch: 1–3 dull white, usually unmarked eggs | Broods: 1 | Incubation: 34–36 days | Nestling period: 56–98 days.
Lifespan: At least 38 years.
How many are there? Over 316,000 individuals in the U.S. Lower 48.
Conservation Status: Low Concern.


Great Blue Heron

great-blue-heron

Length: 46″ | Wingspan: 72″ | Weight: 5.3 lb

Identification: Largest North American heron with long legs, S-shaped neck, and dagger-like bill. Blue-gray plumage, black eye stripe, and shaggy head. A white morph occurs in the Florida Keys.
Habitat: The Great Blue Heron (Ardea herodias) favors fresh, saltwater, brackish wetlands, ditches, and farmland.
Status and Movements: The Great Blue Heron is a common year-round resident in Missouri, present from January through December. It breeds in early spring, inhabiting streams, extensive marshes, and quiet river edges.
Behavior: Hunts by standing still or stalking in shallow water. Flies with neck tucked and legs trailing. Defends feeding territories.
Diet: Fish, amphibians, reptiles, mammals, insects, and birds. Prey grabbed or impaled with bill.
Nest: Great Blue Herons build a stick platform in trees; also on ground, bushes, or man-made structures. Often in colonies.
Breeding: Season: March–August | Clutch: 2–6 pale blue eggs | Broods: 1–2 | Incubation: 27–29 days | Nestling: 49–81 days.
Lifespan: At least 24 years, 6 months.
How many are there?? About 700,000 globally.
Conservation Status: Stable, low concern.


Wood Stork


Length: 40″ | Wingspan: 61″ | Weight: 5.3 lb

Identification: Large, white wading bird with black flight feathers and tail, bald scaly head, and thick, slightly curved bill.
Habitat: The Wood Stork (Mycteria americana) inhabits marshes, forested wetlands, swamps, and shorelines.
Status and Movements: The Wood Stork is an accidental vagrant in Missouri, rarely present from July through September. It wanders exceptionally rarely during mid-summer, inhabiting shallow wetlands and muddy river margins.
Behavior: Wood storks feed by probing water and feeling for prey; may startle prey. Social, soars on thermals.
Diet: Fish, aquatic invertebrates, seeds, amphibians, nestlings, reptiles.
Nest: Large stick structure in trees above standing water, lined with greenery, secured with guano; in colonies.
Breeding: Season: December-August | Clutch: 1–5 creamy white eggs | Broods: 1 | Incubation: 28 and 32 days | Nestling: 50 days.
Lifespan: At least 22 years, 6 months.
How many are there? The U.S. Wood Stork population has rebounded from about 5,000 nesting pairs in the 1970s to over 11,000 pairs by early 2023.
Conservation Status: Low concern.

Medium-sized Wetland Birds of Missouri (4–1 lb)

This group includes species that fall within an intermediate weight range of approximately 3.7 to 1 pound. It represents one of the most diverse and potentially confusing size categories, as body shape and structure vary considerably within the same weight bracket. Some species appear large and long-limbed, while others are compact and low-profile, creating notable contrasts despite overlapping weights.


Pacific Loon


Length: 26″ | Wingspan: 47″ | Weight: 4 lb

Identification: Breeding: gray head, black back with white lines, black throat. Nonbreeding: gray-brown above, white below. Juveniles: pale-edged feathers. Sturdy, pointed bill.
Habitat: Tundra, taiga lakes, coastal ocean, bays, estuaries, reservoirs.
Status and Movements: The Pacific Loon is a rare autumn transient in Missouri, present primarily from October through November. It arrives in late autumn and departs by early winter, inhabiting deep lakes..
Behavior: Forages by diving with slight forward leap. Highly territorial during breeding; social during migration.
Diet: Small fish, snails, mollusks, insect larvae, zooplankton, squid, seeds.
Nest: Mud and vegetation mound on islands or shorelines; occasionally floating.
Breeding: Season: Jun-mid Oct | Clutch: 1-2 buff, brown, or olive-green eggs | Broods: 1 | Incubation: 23-28 days | Nestling: 1-2 days.
Lifespan: Up to 20 years.
How many are there: There are ~840,000 Pacific Loons globally.
Conservation Status: Low Concern.

Double-crested Cormorant


Length: 33″ | Wingspan: 52″ | Weight: 3.7 lb

Identification: Adult: Brown-black plumage, yellow-orange facial skin. Breeding adults show double crests (black/white). Immatures browner, with pale neck/breast.
Habitat: The Double-crested Cormorant (Nannopterum auritum) favor freshwater and saltwater habitats, coasts, large inland lakes.
Status and Movements: The Double-crested Cormorant is a common transient and summer resident in Missouri, present from March through November. It arrives in early spring, inhabiting large lakes, rivers, and deep wetlands..
Behavior: Dives to catch small fish, spreads wings to dry. Flies in V-shaped flocks, nests colonially.
Diet: Double-crested Cormorants feed on mainly small fish.
Nest: Bulky stick nest, often in tree colonies.
Breeding: Season: Varies in every region | Clutch: 1-6 unmarked pale blue eggs | Broods: 1-2 | Incubation: 25-28 days | Nestling: 21-28 days.
Lifespan: At least 23 years, 8 months.
How many are there? Abundant.
Conservation Status: Low concern.


Osprey


Length: 23″ | Wingspan: 63″ | Weight: 3.5 lb

Identification: Dark brown upperparts, white underparts. White head marked with a bold brown eye stripe. Juveniles have white spots on the back and buff-tinted breast shading.
Habitat: Ospreys (Pandion haliaetus) inhabit open waters with abundant fish; plus elevated nesting sites.
Status and Movements: The Osprey is a regular transient in Missouri, present from April through May and September through October. It arrives in mid-spring, inhabiting clear lakes, reservoirs, and major rivers.
Behavior: Hunts live fish by hovering and diving feet-first. Mostly solitary; males perform aerial “sky-dance” displays.
Diet: Ospreys feed almost exclusively live fish (99%), occasionally fish remains, birds, snakes, voles, squirrels.
Nest: Large, untidy stick platforms, often on poles, snags, dead trees, or artificial platforms.
Breeding: Season: mid April-early September | Breeds spring–fall | Clutch: 1–4 cream spotted with reddish eggs | Broods: 1 | Incubation: 36–42 days | Nestling period: 50–55 days.
Lifespan: At least 25 years, 2 months.
How many are there? ~1.2 million global breeding population.
Conservation Status: Low Concern.


Roseate Spoonbill


Length: 32″ | Wingspan: 50″ | Weight: 3.3 lb

Identification: Adult: Bright pink, partly bald head, white neck, and long spoon-shaped bill. Pink shoulders. Juvenile: Paler pink, fully feathered head until age 3.
Habitat: The Roseate Spoonbill (Platalea ajaja) lives in shallow fresh, brackish, and marine waters. Nests/roosts in trees or shrubs along water.
Status and Movements: The Roseate Spoonbill is an accidental vagrant in Missouri, rarely present from July through September. It wanders northward during late summer, inhabiting shallow mudflats, flooded pastures, and marsh edges.
Behavior: Forages by sweeping bill side-to-side in shallow water. Usually in flocks, often with other waders.
Diet: Roseate Spoonbill feed on shrimp, aquatic insects, and fish.
Nest: Bulky stick platform lined with moss or bark strips, built in trees/shrubs over water.
Breeding: Season: April-Mid August. Clutch: 1–5 whitish to pale green with brown spots eggs | Broods: 1 | Incubation: 22 days | Nestling: 35–42 days.
Lifespan: At least 15 years, 10 months.
How many are there? There are approximately 11,000 Roseate Spoonbills in the U.S.
Conservation Status: Low concern.


Red-throated Loon


Length: 24″ | Wingspan: 44″ | Weight: 3.3 lb

Identification: Breeding: gray neck, rusty throat patch, black-and-white neck stripes. Nonbreeding: blackish above, white face/underparts. Juvenile: grayish brown above, pale below. Slender with bill tipped upward.
Habitat: The Red-throated Loon (Gavia stellata) favors tundra, taiga lakes, marine coasts, large lakes, bays, estuaries, sounds, shallow coastal waters.
Status and Movements: The Red-throated Loon is a casual autumn transient in Missouri, present from October through November. It arrives in late autumn, inhabiting deep reservoirs and expansive clear open lakes.
Behavior: Dives for fish; scans underwater by dipping head. Highly mobile; social during migration, forming large flocks.
Diet: Red-throated loons feed on fish, leeches, copepods, crustaceans, mollusks, squid, polychaete worms, aquatic insects.
Nest: Mounds of moss, mud, and vegetation built on shorelines or shallow water of small ponds.
Breeding: Season: May-Sep | Clutch: 1-2 brown to olive, speckled eggs | Broods: 1 | Incubation: 24-31 days | Nestling: <1 day.
Lifespan: At least 23 years and 7 months.
How many are there: Estimated global breeding population is ~260,000.
Conservation Status: Low Concern.


Western Grebe


Length: 19.5″ | Wingspan: 29″ | Weight: 3 lb

Identification: Crisp black-and-white, sharp neck transition. Black head, white below eye. Yellowish bill, red eyes. Juveniles have blackish or silvery down. 
Habitat: The Western Grebe (Aechmophorus occidentalis) favors freshwater lakes, marshes, reeds, rushes, ocean shores, bays, rivers, estuaries. 
Status and Movements: The Western Grebe is a rare transient in Missouri, present from April through May and October through November. It arrives in mid-spring, inhabiting large freshwater lakes and deep reservoirs.
Behavior: The Western Grebe forages by deep diving. Synchronized “rushing” and “weed” ceremonies. Colonial; territorial at nest. 
Diet: Western grebes feed on fish, salamanders, crustaceans, marine worms, grasshoppers, aquatic insects, larvae. 
Nest: Floating vegetation mound anchored in emergent plants. Nests in colonies of hundreds. 
Breeding: Season: Jun-mid Aug | Clutch: 2-3 pale bluish eggs | Broods: 1 | Incubation: 24 days | Nestling: <1 day. 
Lifespan: At least 11 years. 
How many are there?: There are ~87,000 Western Grebes globally. 
Conservation Status: Least Concern.


Clark’s Grebe


Length: 26″ | Wingspan: 36″ | Weight: 2.4 lb

Identification: Blackish above, white below. White face surrounds red eye; black cap. Vivid orange bill; long, slender neck. Young ride on parents’ backs. 
Habitat: The Clark’s Grebe (Aechmophorus clarkii) favors marshes, freshwater lakes, emergent vegetation, saltwater coasts, sheltered bays, rivers, estuaries. 
Status and Movements: The Clark’s Grebe is a casual transient in Missouri, rarely present from May through October. It wanders unpredictably in late spring, inhabiting expansive open lakes and deep marsh systems.
Behavior: Forages by deep diving far from shore. Famous “rushing” and “weed” courtship ceremonies. Colonial and territorial.
Diet: Clark’s grebes feed on fish, salamanders, crustaceans, marine worms, grasshoppers, aquatic insects, larvae. 
Nest: Floating vegetation mound anchored in emergent plants. Nests in colonies of hundreds on large lakes. 
Breeding: Season: Jun-mid Aug | Clutch: 2-3 pale bluish eggs | Broods: 1 | Incubation: 24 days | Nestling: <1 day. Breeding information not well known, but likely similar to that of the Western Grebe.
Lifespan: Not known. 
How many are there?: There are ~11,000 Clark’s Grebes globally. 
Conservation Status: Low Concern.


Anhinga


Length: 35″ | Wingspan: 45″ | Weight: 2.7 lb

Identification: Spear-like bill. Adult males black with silvery-white streaks on back/wings. Females/immatures have pale tan head, neck, breast.
Habitat: Shallow freshwater lakes, ponds, brackish bays; prefers perches for drying.
Status and Movements: The Anhinga is a rare summer visitor in Missouri, occasionally present from May through August. It wanders northward in late spring, inhabiting quiet, wooded oxbow lakes and swamps.
Behavior: Anhingas forage by stalking and spearing fish underwater. Nests in loose groups with other waterbirds.
Diet: Small to medium wetland fishes, crustaceans, invertebrates.
Nest: Bulky stick platform in trees near/over water; lined with leaves/twigs.
Breeding: Season: February-October | Clutch: 2–5 pale bluish green, chalky coating eggs | Broods: 1 | Incubation: 26–30 days | Nestling: 14–21 days.
Lifespan: At least 12 years.
How many are there? Global breeding population ~2 million.
Conservation Status: Low Concern.


Red-necked Grebe


Length: 19″ | Wingspan: 29″ | Weight: 2.4 lb

Identification: Breeding adults: brick red neck, black crown, white cheeks, yellow bill. Nonbreeding: dark gray above, pale cheeks. Juveniles: similar to nonbreeding with less distinct head pattern.
Habitat: The Red-necked Grebe (Podiceps grisegena) favors shallow freshwater lakes, ponds, bogs, marshes, rivers, bays, ocean coastlines.
Status and Movements: The Red-necked Grebe is a rare transient in Missouri, present from March through May and October through November. It arrives during migration, inhabiting deep open water lakes and reservoirs.
Behavior: Forages by surface diving. Solitary or small groups in winter; pairs are vocal and territorial during nesting.
Diet: Red-necked grebes feed on fish, crustaceans, insects, salamanders, frogs, tadpoles, amphipods, leeches, crayfish, clams, spiders.
Nest: Bulky pile of aquatic plants floating or anchored to bottom or vegetation.
Breeding: Season: Late Apr-early Sep | Clutch: 4-5 white-bluish eggs | Broods: 1 | Incubation: 27-28 days | Nestling: <1 day.
Lifespan: At least 11 years.
How many are there?: Global breeding population of ~160,000.
Conservation Status: Low Concern.


Limpkin


Length: 26″ | Wingspan: 40″ | Weight: 2.4 lb

Identification: Heron-sized, brown with heavy white spangling; long bill, often curved right.
Habitat: The Limpkin (Aramus guarauna) inhabits shallow freshwater swamp forests, marshes, ditches, lakes, and wet sugarcane fields.
Status and Movements: The Limpkin is an accidental vagrant in Missouri, rarely present from June through September. It wanders exceptionally rarely during summer, inhabiting snail-rich marshlands, quiet oxbows, and vegetated shores.
Behavior: Limpkins forages day and night, stalking and probing for snails. Swims well.
Diet: Mostly apple snails; also mussels, seeds, insects, lizards, frogs.
Nest: Circular structure of sticks, lined with moss, in marsh grasses or in trees.
Breeding: Season: January-August | Clutch: 4–7 light grayish to olive with streaks/blotches eggs | Broods: 1–3 | Incubation: 26–28 days | Hatchlings: Able to swim, walk, run at hatching.
Lifespan: Not specified.
How many are there? Approximately 3,000–6,000 pairs.
Conservation Status: Low concern.


American Herring Gull


Length: 24″ | Wingspan: 54″ | Weight: 2.3 lb

Identification: Breeding: White head, light gray back, black wingtips with white spots, yellow bill with red spot, pink legs. Nonbreeding: Brown streaking on head and neck. Juvenile: Brown-mottled overall, dark bill, pinkish-brown legs; gradually pales over four years.
Habitat: The American Herring Gull (Larus smithsonianus) favors coasts, lakes, rivers, estuaries, mudflats, fields, landfills, parking lots.
Status and Movements: The American Herring Gull is a common winter resident in Missouri, present from November through April. It arrives in late autumn, inhabiting large rivers, dams, and deep reservoirs.
Behavior: The American Herring Gull forages by scavenging or stealing. Social, found in large flocks and colonies.
Diet: Fish, crustaceans, mollusks, insects, eggs, refuse, carrion.
Nest: Shallow scrape on ground lined with grass, seaweed, or feathers. Breeds in colonies.
Breeding: Breeding Months: Late April-August | Clutch: 1-3 olive, buff, or bluish eggs | Broods: 1 | Incubation: 27-30 days | Nestling: ~5 days.
Lifespan: At least 29 years, 3 months.
How many are there?: There are ~430,000 breeding American Herring Gulls.
Conservation Status: Least Concern.


White Ibis


Length: 25″ | Wingspan: 38″ | Weight: 2 lb

Identification: Adult: All white with black wingtips, red/pink legs, face and bill. Juvenile: Brown above, white below, streaked brown neck, orange-pink legs and bill.
Habitat:
The White Ibis (Eudocimus albus) inhabits shallow wetlands, swamps, mangroves, flooded pastures, lawns, and parks.
Status and Movements: The White Ibis is a rare summer visitor in Missouri, unpredictably present from July through September. It wanders during late summer post-breeding dispersal, inhabiting shallow marshes and flooded fields.
Behavior: Forages, flies, and nests in flocks. Feeds by walking and probing muddy bottoms.
Diet: Insects, crayfish, earthworms, fish, frogs, lizards, and snails.
Nest: Messy stick platform built in trees or shrubs within colonies. Nest locations change yearly.
Breeding: Season: March-Mid-October | Clutch: 2-4 cream to blue-green with brown splotches eggs | Broods: 1-2 | Incubation: 21-23 days | Nestling: 40–60 days.
Lifespan: At least 16 years, 4 months.
How many are there? Global population is about 2.4 million.
Conservation Status: Low concern


Black-crowned Night-Heron


Length: 25″ | Wingspan: 44″ | Weight: 1.9 lb

Identification: Stocky heron with light-gray body, black back and crown, and all-black bill. Immatures are brown with white spots, streaks, and yellow-and-black bills.
Habitat: The Black-crowned Night-Heron (Nycticorax nycticorax) forages in freshwater, brackish, and saltwater wetlands.
Status and Movements: The Black-crowned Night-Heron is an uncommon summer resident in Missouri, present from April through October. It arrives in mid-spring, inhabiting dense cattail marshes, swamps, and wooded wetland borders.
Behavior: Feeds at night or dusk; rests by day perched in trees.
Diet: The Black-crowned Night-Heron feeds on fish, frogs, insects, small mammals, birds, carrion, plant matter, and garbage.
Nest: Stick platform in trees, shrubs, or cattails; nests colonially.
Breeding: Season: January-August | Clutch: 3–5 greenish-blue eggs | Incubation: 24–26 days | Nestling: 29–34 days.
Lifespan: Up to 21 years, 5 months.
How many are there? About 3 million globally.
Conservation Status: Low concern.


American Coot


Length: 15.5″ | Wingspan: 24″ | Weight: 1.6 lb

Identification: Adult: Plump, chickenlike, dark gray to black, bright white bill and forehead, small red forehead patch. Juvenile/nonbreeding: Duller gray with less distinct forehead patch.
Habitat: The American Coot (Fulica americana) prefers freshwater wetlands with emergent vegetation. Also found anywhere with standing water; ponds, city parks.
Status and Movements: The American Coot is an abundant transient and summer resident in Missouri, present from March through November. It arrives in early spring, inhabiting heavily vegetated marshes and lakes.
Behavior: The American Coot forages by plucking plants while walking, swimming, dabbling, or diving. Highly social in winter.
Diet: Primarily aquatic plants. Also takes insects, snails, tadpoles, and salamanders.
Nest: Floating platform anchored to emergent vegetation, woven into a shallow basket over water.
Breeding: Season: May-mid-August | Clutch: 8–12 buff with dark speckles eggs | Broods: 1–2 | Incubation: 23–25 days | Chicks: Down-covered, alert, leave nest within 6 hours.
Lifespan: At least 22 years, 4 months.
How many are there? Global breeding population about 7.1 million individuals.
Conservation Status: Low conservation concern.


California Gull


Length: 20″ | Wingspan: 51″ | Weight: 1.6 lb

Identification: Breeding: Medium-gray back, yellow bill with red and black spots, yellow legs. Nonbreeding: Brown-streaked head and nape. Juvenile: Brown-mottled overall, pinkish legs, black-tipped pink bill; second-winter birds show grayer backs and paler heads. Habitat: Lakes, marshes, scrubland, coastlines, estuaries, mudflats, farms, landfills.
Status and Movements: The California Gull is an accidental vagrant in Missouri, rarely present from September through November. It wanders exceptionally rarely during early autumn, inhabiting large reservoirs and major rivers.
Behavior: The California Gull forages by scavenging or aerial catching. Highly social; nests in large, dense colonies.
Diet: Insects, fish, brine shrimp, eggs, rodents, refuse, carrion.
Nest: Shallow scrape on open ground lined with grass, feathers, or debris. Breeds in colonies.
Breeding: Breeding Months: May-July | Clutch: 1-4 Olive, dark-spotted eggs | Broods: 1 | Incubation: 23-27 days | Nestling: ~3-4 days.
Lifespan: At least 28 years, 1 month.
How many are there?: There are ~1 million California Gulls.
Conservation Status: Least Concern.


Yellow-crowned Night-Heron



Length: 24″ | Wingspan: 42″ | Weight: 1.5 lb

Identification: Medium heron with cloudy gray plumage, black head, creamy yellow crown, and white cheek patches. Immatures are brown with fine white spots and streaked underparts.
Habitat: The Yellow-crowned Night-Heron forages (Nyctanassa violacea) in coastal wetlands; also inland in swamps, and wet fields.
Status and Movements: The Yellow-crowned Night-Heron is an uncommon summer resident in Missouri, present from April through September. It arrives in mid-spring, inhabiting wooded bottomlands, secluded swamps, and quiet shaded streams.
Behavior: Forages day and night with a hunched, forward-leaning posture.
Diet: The Yellow-crowned Night-Heron feeds primarily on small crabs and crayfish; also fish, snakes, and small mammals.
Nest: Stick platform with shallow center, built near or over water.
Breeding: Season: March–August | Clutch: 2–6 pale bluish-green eggs | Incubation: 24–25 days | Nestling: 30–43 days.
Lifespan: At least 6 years.
How many are there? About 400,000 globally.
Conservation Status: Low concern.


American Bittern

Length: 28″ | Wingspan: 42″ | Weight: 1.5 lb

Identification: Medium-sized heron with compact body, short legs, and thick neck. Warm brown and buff with bold streaks.
Habitat: The American Bittern (Botaurus lentiginosus) prefers shallow freshwater marshes with dense reeds and emergent vegetation.
Status and Movements: The American Bittern is an uncommon transient and summer resident in Missouri, present from April through October. It arrives in mid-spring, inhabiting dense cattail marshes and grassy wetlands.
Diet: The American Bittern feeds on insects, crustaceans, fish, frogs, lizards, and small mammals.
Nest: Platform of reeds lined with grasses in dense marsh vegetation.
Breeding: Season: April–August | Clutch: 2–7 beige to olive eggs | Incubation: 24–28 days | Nestling: 7–14 days, chicks remain nearby for weeks.
Lifespan: At least 8 years, 4 months.
How many are there?
About 2.5 million globally.
Conservation Status: Low concern, though declining in some regions.


Great Egret


Length: 39″ | Wingspan: 51″ | Weight: 1.5 lb

Identification: Large white heron with long black legs, and yellow bill. Smaller than Great Blue Heron, larger than Snowy Egret. Breeding adults grow long back plumes.
Habitat: The Great Egret (Ardea alba) inhabits freshwater, brackish, and coastal wetlands.
Status and Movements: The Great Egret is a common summer resident in Missouri, present from April through October. It arrives in mid-spring, inhabiting shallow marshes, open lakes, and muddy river margins.
Diet: Great Egrets feed on primarily fish; also amphibians, reptiles, birds, mammals, and invertebrates.
Nest: Large stick platform in trees or shrubs, usually in colonies.
Breeding: Season: March–July | Clutch: 1–6 pale greenish-blue eggs | Broods: 1–2 | Incubation: 23–27 days | Nestling: 21–25 days.
Lifespan: Up to 22 years, 10 months.
How many are there?
About 9.5 million in North America.
Conservation Status: Low concern; populations increasing.


Red-shouldered Hawk


Length: 17″ | Wingspan: 40″ | Weight: 1.4 lb

Identification: Adult: Barred reddish-peach underparts, strongly banded tail, checkered wings, pale wing crescents near tips. Immature: Brown above, white below streaked with brown, pale wing crescents.
Habitat: The Red-shouldered Hawk (Buteo lineatus) inhabits tall woods near water, including swamps, riparian forests, and suburban parks.
Status and Movements: The Red-shouldered Hawk is a permanent year-round resident in Missouri, present from January through December. It maintains territories year-round, inhabiting mature bottomland hardwood forests and wooded river valleys.
Behavior: Hunts from perches with swift descents. Soars and glides frequently. Males perform a “sky dance” display during courtship.
Diet: Feeds on small mammals, lizards, snakes, amphibians, voles, chipmunks, and birds.
Nest: Large stick nests (~2 ft diameter), placed in tree crotches near water. Often reused in subsequent years.
Breeding: Season: Late March-July | Clutch: 2–5 dull white to bluish, brown-blotched eggs | Broods: 1 | Incubation: 32–40 days | Nestling period: 42–49 days.
Lifespan: At least 25 years, 10 months.
How many are there? Global breeding population about 1.9 million.
Conservation Status: Low conservation concern.


Caspian Tern


Length: 21″ | Wingspan: 50″ | Weight: 1.4 lb

Identification: Largest tern species. White overall. Breeding adults have a black crown and a coral-red bill. In winter and juveniles, the crown is partially black with grayish speckling.
Habitat: Caspian Terns (Hydroprogne caspia) are found along ocean coasts, barrier islands, interior lakes and rivers.
Status and Movements: The Caspian Tern is a regular transient in Missouri, present from May through September. It arrives in late spring, inhabiting large open reservoirs and major river channels.
Behavior: Caspian Terns fly slowly before plunging for fish. Roosts and rests in flocks.
Diet: Primarily fish; also crayfish, large insects, and occasionally scavenged invertebrates.
Nest: A shallow scrape in open areas lined with dried vegetation and ringed with pebbles, or other debris.
Breeding: Season: mid-May-late August | Clutch: 1-3 buff with dark spots eggs | Broods: 1 | Eggs: | Incubation: 25–28 days | Nestling: 1–2 days.
Lifespan: At least 32 years, 1 month.
How many are there? ~530,000 global breeders.
Conservation Status: Low Concern.


White-faced Ibis


Length: 23″ | Wingspan: 36″ | Weight: 1.3 lb

Identification: Adult: glossy maroon, metallic green/bronze wings. Pink legs, white mask. Juvenile/non
Breeding: matte brown, no white facial outline, duller legs.
Habitat: The White-faced (Plegadis chihi) favors shallow wetlands, marshes. Wet agricultural fields.
Status and Movements: The White-faced Ibis is an uncommon transient in Missouri, present from April through May and September through October. It arrives in mid-spring, inhabiting shallow marshes, wet meadows, and mudflats.
Behavior: White-faced Ibises forage by probing in water/mud or picking surface prey. Usually in flocks.
Diet: Earthworms, crayfish, spiders, snails, leeches and insects.
Nest: Flat platform of twigs built in emergent vegetation or shrubs.
Breeding: Season: Mid-May through late July | Clutch: 3-5 bluish green to turquoise eggs | Broods: 1 | Incubation: 17-21 days.
Lifespan: At least 12 years, 3 months.
How many are there? Globally approx. 7.2 million. U.S./Canada
Breeding: 1.3 million.
Conservation Status: Low conservation concern.


Glossy Ibis


Length: 23″ | Wingspan: 36″ | Weight: 1.2 lb

Identification: Deep maroon body with metallic green, bronze, and violet wing coverts. It appears black in the distance.
Habitat: The Glossy Ibis (Plegadis falcinellus) uses freshwater, brackish, and saltwater marshes and rice fields.
Status and Movements: The Glossy Ibis is a casual transient in Missouri, present primarily from April through May. It arrives in mid-spring, inhabiting shallow wetland edges and flooded agricultural fields.
Diet: Glossy Ibises feed on aquatic invertebrates, crabs, fish, amphibians, grain, crops.
Nest: Bulky platform of sticks/reeds, on ground or in trees up to 12 ft high, in colonies.
Breeding: Season: April-June | Clutch: 3–4 eggs | Broods: 1 | Incubation: 20–22 days | Nestling: 8–9 days.
Lifespan: At least 21 years.
How many are there? In North America: 13,000–15,000 individuals.
Conservation Status: Low concern.


Ring-billed Gull

Length: 19″ | Wingspan: 44″ | Weight: 1.1 lb

Identification: Breeding: White head, yellow bill with black ring, yellow legs, light gray mantle, black wingtips. Nonbreeding: Streaked brown on head and neck. Juvenile: Brown-mottled overall, pinkish legs, black-tipped pink bill; becomes gray-backed with distinct tail band by second winter.
Habitat:The Ring-billed Gull (Larus delawarensis) is found in lakes, rivers, coasts, mudflats, docks, landfills, parking lots, fields.
Status and Movements: The Ring-billed Gull is an abundant transient and winter resident in Missouri, present from August through May. It arrives in late summer, inhabiting reservoirs, rivers, and agricultural fields.
Behavior: The Ring-billed Gull forages by scavenging or dipping. Highly social, nests in large colonies.
Diet: Fish, insects, earthworms, grain, rodents, refuse, carrion.
Nest: Scrape on ground lined with grass, twigs, or lichens. Breeds in large colonies.
Breeding: Breeding Months: late April – mid-August | Clutch: 2-4 olive gray with dark brown spots eggs | Broods: 1 | Incubation: 21-28 days | Nestling: ~5 days.
Lifespan: At least 27 years, 6 months.
How many are there?: There are ~2.5 million Ring-billed Gulls.
Conservation Status: Least Concern.


Pied-billed Grebe


Length: 13″ | Wingspan: 16″ | Weight: 1 lb

Identification: Small, chunky brown waterbird. Adults have a dark crown and nape, and a whitish bill with a black band in breeding season (yellow-brown outside breeding). Juveniles show distinctive striped faces.
Habitat: The Pied-billed Grebe (Podilymbus podiceps) occupies ponds, marshes, lakes, sluggish rivers, and areas with emergent vegetation or open water.
Status and Movements: The Pied-billed Grebe is a common summer resident in Missouri, present from March through November. It arrives in early spring, inhabiting vegetated ponds, shallow lakes, and dense marshes.
Behavior: Forages by diving to pursue prey. Typically solitary but may form small winter flocks.
Diet: Pied-billed Grebes feed on crayfish, shrimps, fish, frogs, tadpoles, and salamanders.
Nest: Floating open-bowl nest built anchored among emergent plants.
Breeding: Season: February-November | Clutch: 2–10 bluish white, unmarked eggs | Broods: 1–2 | Incubation: 23–27 days | Chicks: Leave the nest within 1 day.
Lifespan: At least 4 years, 7 months.
How many are there? Global breeding population about 3.1 million.
Conservation Status: Low conservation concern.


Horned Grebe


Length: 14″ | Wingspan: 24.2″ | Weight: 1 lb

Identification: Breeding: Dark gray back, cinnamon neck and sides, yellow head-tufts, black head. Nonbreeding: Grayish above, white below, black cap, white cheek. 
Habitat: The Horned Grebe (Podiceps auritus) favors freshwater ponds, lakes, rivers, bays, oceans, marshes, emergent vegetation. 
Status and Movements: The Horned Grebe is a regular transient in Missouri, present from March through May and October through November. It arrives in early spring, inhabiting deep reservoirs and lakes.
Behavior: Forages by surface diving. Highly territorial when nesting; forms small flocks during winter and migration. 
Diet: Horned grebes feed on fish, crustaceans, insects, larvae, salamanders, frogs, tadpoles, leeches, marine worms. 
Nest: Floating mass of aquatic vegetation anchored to plants or bottom near shoreline. 
Breeding: Season: Mid May-September | Clutch: 3-8 White, brownish, or bluish-green eggs | Broods: 1 | Incubation: 23-24 days | Nestling: <1 day. 
Lifespan: At least 5 years, 11 months. 
How many are there?: There are ~620,000 Horned Grebes globally. 
Conservation Status: Tipping Point Yellow Alert, due to significant long-term population declines.


Reddish Egret



Length: 30″ | Wingspan: 46″ | Weight: 1 lb

Identification: Large heron with shaggy appearance. Dark morph is gray-blue with pinkish-cinnamon head and neck; white morph is entirely white. Both have pink-and-black bills and cobalt legs. Juveniles are ashy copper.
Habitat: The Reddish Egret (Egretta rufescens) forages mostly in tidal shallows, coastal salt flats, and lagoons.
Status and Movements: The Reddish Egret is an accidental vagrant in Missouri, rarely present from July through September. It appears exceptionally rarely during late summer, inhabiting shallow open wetlands and mudflats.
Behavior: Hunts actively by chasing fish, using wings to shade, herd, or startle prey; stirs sediment with feet.
Diet: Mostly small fish; also shrimp and crabs.
Nest: Reddish Egrets build a stick platform lined with grasses, in trees over water; often in mixed colonies.
Breeding: Season: March–September | Clutch: 3–6 pale bluish-green eggs | Broods: 1 | Incubation: 21–36 days | Nestling: 28–35 days.
How many are there?
~15,000 globally, with ~2,400 in the U.S.
Conservation Status: Yellow Watch List. Threatened by habitat loss, climate change, and disturbance at colonies.

Small Wetland Birds of Missouri (< 1 lb)

This group includes the lightest wetland species in the state, ranging from just under one pound to only a few ounces. Despite their small size, they occupy a wide variety of wetland habitats and can vary noticeably in structure and proportions. Several members of this category are notably secretive, often detected by voice rather than sight as they move quietly through dense marsh vegetation.


Snowy Egret



Length: 24″ | Wingspan: 41″ | Weight: 13 oz

Identification: All-white heron with black bill, black legs, and yellow feet. Immatures have duller greenish legs. Breeding adults grow filmy curving plumes.
Habitat: The Snowy Egret (Egretta thula) forages in fresh, salt, and brackish water wetlands.
Status and Movements: The Snowy Egret is an uncommon summer resident in Missouri, present from May through September. It arrives in late spring, inhabiting shallow marshes, mudflats, and quiet pond edges.
Behavior: Hunts in shallow water, spearing or chasing prey; uses yellow feet to stir or herd fish before striking.
Diet: Snowy Egrets feed on small fish, frogs, shrimp, and insects.
Nest: Shallow twig platform, usually over water.
Breeding: Season: March–July | Clutch: 2–6 pale greenish-blue eggs | Incubation: 24–25 days | Nestling: 20–24 days.
Lifespan: At least 17 years, 7 months.
How many are there? About 2.1 million globally.
Conservation Status: Low concern.


King Rail


Length: 15″ | Wingspan: 20″ | Weight: 13 oz

Identification: Large, chickenlike, rusty wings and breast, and a striped belly. Gray cheeks and whitish throat. Juveniles are darker with shorter bills.
Habitat: The King Rail (Rallus elegans) inhabits brackish and freshwater marshes, rice fields, and areas with tall emergent vegetation.
Status and Movements: The King Rail is a rare summer resident in Missouri, present from May through September. It arrives in late spring, inhabiting extensive freshwater marshes with dense grassy vegetation.
Behavior: Forages slowly, stalking prey in shallow water and jabbing with its bill.
Diet: King rails feed on crayfish, crabs, fish, frogs, snakes, fruits, acorns, seeds, and rice.
Nest: Simple round platform elevated above water, made of marsh grasses or rice plants.
Breeding: Season: February-August | Clutch: 10–12 pale buff with irregular brown spots eggs | Broods: 1–2 | Incubation: 21–23 days | Chicks: Leave nest within 1 day, become independent in ~2 months.
Lifespan: Not available.
How many are there? Global breeding population about 69,000 individuals.
Conservation Status: Listed as an Orange Alert species in 2025.


Tricolored Heron



Length: 26″ | Wingspan: 36″ | Weight: 13 oz

Identification: Slim, medium-sized heron with blue-gray and lavender upperparts, white belly, and dagger-like bill. Breeding adults show pale plumes; juveniles have rusty neck and feather edges.
Habitat: The Tricolored Heron (Egretta tricolor) forages salt, fresh, and brackish water wetlands, and ditches.
Status and Movements: The Tricolored Heron is a casual summer visitor in Missouri, sporadically present from May through August. It wanders unpredictably during late spring, inhabiting shallow marshlands and vegetated pond margins.
Behavior: Hunts by stalking, or chasing; often spins with sudden stops and wing flaps.
Diet: Mainly small fish; also other small vertebrates.
Nest: Tricolored Herons build a bulky stick platform in trees or shrubs; often in colonies.
Breeding: Season: May–July | Clutch: 3–5 pale greenish-blue eggs | Broods: 1 | Incubation: 21–24 days | Nestling: 17–21 days.
Lifespan: At least 17 years, 8 months.
How many are there? About 194,000 breeding in the U.S.
Conservation Status: Low concern.


Eared Grebe



Length: 12″ | Wingspan: 21″ | Weight: 12 oz

Identification: Breeding: Black with chestnut flanks, golden plumes behind red eyes. Nonbreeding: Grayish-black, smudgy cheeks, white neck. Immatures are similar to nonbreeding adults.
Habitat: The Eared (Black-necked) Grebe (Podiceps nigricollis) favors shallow lakes, ponds, wetlands, saline waters, salt ponds, ocean coastlines. 
Status and Movements: The Eared Grebe is an uncommon transient in Missouri, present from April through May and September through October. It arrives in mid-spring, inhabiting shallow, productive marshes and lakes.
Behavior: Forages by diving or surface pecking. Highly social, breeds in colonies and migrates in massive flocks. 
Diet: Eared Grebes feed on brine shrimp, brine flies, aquatic invertebrates, small fish, mollusks, amphibians. 
Nest: Floating platform of aquatic plants attached to emergent vegetation. Breeds in colonies. 
Breeding: Season: May-Aug | Clutch: 1-8 whitish eggs | Broods: 1 | Incubation: 20-23 days | Nestling: <1 day. 
Lifespan: At least 8 years, 7 months. 
How many are there?: There are ~2.7 million Eared Grebes globally. 
Conservation Status: Low Concern.


Cattle Egret



Length: 20″ | Wingspan: 36″ | Weight: 12 oz

Identification: Stocky heron with short, thick neck. Adults are white with buff plumes in breeding season; bill turns bright red before pairing. Juveniles lack plumes and have black bills.
Habitat: The (Western) Cattle Egret (Bubulcus ibis)Wet grasslands, pastures, farmlands; favors drier open areas more than other herons.
Status and Movements: The Cattle Egret is an uncommon summer resident in Missouri, present from May through September. It arrives in late spring, inhabiting wet pastures, agricultural fields, and shallow marshes.
Behavior: Walks with a distinctive head-pumping strut. It often follows cattle.
Diet: Cattle Egrets feed on mainly insects and other invertebrates.
Nest: Stick platform in trees, or marsh vegetation; nests colonially with other wading birds.
Breeding: Season: March–June | Clutch: 3–4 pale bluish-white eggs | Broods: 1 | Incubation: 23 days | Nestling: 30 days.
Lifespan: Up to 15 years.
How many are there? 3.8–6.7 million globally.
Conservation Status: Least Concern.


Little Blue Heron



Length: 24″ | Wingspan: 40″ | Weight: 12 0z

Identification: Adults are dark blue-gray with purple-maroon head and neck, greenish legs, and pale gray-and-black bill. Juveniles are all white; immatures are patchy white and blue.
Habitat: The Little Blue Heron (Egretta caerulea) forages in most types of wetlands and flooded fields.
Status and Movements: The Cattle Egret is an uncommon summer resident in Missouri, present from May through September. It arrives in late spring, inhabiting wet pastures, agricultural fields, and shallow marshes.
Behavior: Stand-and-wait predator, also moves slowly searching for prey.
Diet: Small fish, frogs, shrimp, insects, and other invertebrates.
Nest: The Little Blue Heron builds a porous twig platform in shrubs or small trees over water; often in mixed colonies.
Breeding: Season: March–October | Clutch: 3–4 pale bluish-green eggs | Incubation: 22–23 days | Nestling: 35–49 days.
Lifespan: Up to 13 years, 11 months.
How many are there? About 1.1 million globally.
Conservation Status: Low concern, though populations have declined.


American Avocet


Length: 18″ | Wingspan: 31″ | Weight: 11 oz

Identification: Striking black-and-white body, long upturned bill, and bluish-gray legs. In summer, the head and neck are rusty; in winter, they turn grayish-white.
Habitat: The American Avocet (Recurvirostra americana) forages in shallow freshwater and saltwater wetlands, rice fields, and flooded pastures.
Status and Movements: The American Avocet is an uncommon transient in Missouri, present from April through May and August through October. It arrives in mid-spring, inhabiting shallow alkaline ponds and muddy mudflats.
Behavior: Forages by sweeping its bill side to side, pecking, or plunging. Often associated with other shorebirds in flocks.
Diet: American Avocets feed on aquatic invertebrates, plus small fish and seeds.
Nest: A shallow ground scrape, sometimes unlined, located on islands or dikes, with little or no vegetation.
Breeding: Season: late April-early August | Clutch: 3–4 greenish brown with dark spots eggs | Broods: 1 | Incubation: 18–30 days | Nestling: able to walk within 24 hours.
Lifespan: At least 15 years.
How many are there? Global breeding population ~450,000.
Conservation Status: Low Concern.


Common Gallinule


Length: 14″ | Wingspan: 21″ | Weight: 11 oz

Identification: Charcoal gray with a distinct white side stripe. Adults feature a bright red forehead shield and red bill tipped in yellow. Immatures are similar but lack the red shield and bill coloration.
Habitat: The Common Gallinule (Gallinula galeata) inhabits freshwater and brackish wetlands. Also found in ditches, rice fields, sewage, and stormwater ponds.
Status and Movements: The Common Gallinule is a rare summer resident in Missouri, present from May through September. It arrives in late spring, inhabiting deep marshes with dense emergent cattail vegetation.
Behavior: Swims, walks on floating vegetation with a crouched posture, often flicking its tail. Highly territorial during breeding.
Diet: Aquatic vegetation and seeds, plus snails and insects.
Nest: A broad bowl, typically 10–12 inches wide, placed on thick aquatic plant mats.
Breeding: Season: April-August | Clutch: 3–15 light gray with darker specks/spots eggs | Broods: 1–2 | Incubation: 19–22 days | Chicks: leave the nest within 1 day.
Lifespan: At least 9 years, 10 months.
How many are there? Apparently declining.
Conservation Status: Low Concern.


Clapper Rail


Length: 14.5″ | Wingspan: 19″ | Weight: 10 oz

Identification: Chickenlike with a stout orange bill, stubby tail, and laterally compressed body. Barred sides and belly, pink legs. Chicks covered in black down with pied bills.
Habitat: The Clapper Rail(Rallus crepitans) inhabits saltmarshes with dense vegetation, mangroves, and shallow saltwater habitats.
Status and Movements: The Clapper Rail is an accidental vagrant in Missouri, extremely rarely present outside its coastal habitat. It wanders exceptionally rarely during migration, inhabiting dense marshy vegetation if ever present.
Behavior: Forages hidden among marsh vegetation. Territorial, sometimes in loose colonies.
Diet: Eats small crabs, shrimp, fish, and plant material.
Nest: Bulky platform of marsh plants, often tall and camouflaged, sometimes with domes or ramps.
Breeding: Season: April-October | Clutch: 2–16 creamy white to buff with irregular brown blotches eggs | Broods: 1–2 | Incubation: 18–24 days | Chicks: Leave the nest within 1 day.
Lifespan: At least 7 years, 6 months.
How many are there? Global population about 210,000 individuals.
Conservation Status: Low conservation concern.


Purple Gallinule


Length: 13″ | Wingspan: 22″ | Weight: 8 oz

Identification: Adult: Purplish body with green wings and back, yellow-tipped red bill, blue frontal shield. Juvenile: Brown upperparts, khaki underparts, duller bill.
Habitat: The Purple Gallinule (Porphyrio martinicus) favors freshwater marshes and wetlands with emergent or floating vegetation such as water lilies.
Status and Movements: The Purple Gallinule is an accidental vagrant in Missouri, rarely present from May through July. It overshoots during late spring migration, inhabiting densely vegetated marshes with floating plant mats.
Behavior: Forages slowly over vegetation, pecking at food and flicking its tail. Juveniles often help feed younger siblings.
Diet: Omnivorous—feeds on aquatic plant seeds, invertebrates, small frogs, fish, and bird eggs.
Nest: Cup-shaped platform of rushes, floating or anchored to vegetation, sometimes partially roofed.
Breeding: Season: May-August | Clutch: 6–8 creamy white with small irregular brown spots eggs | Broods: 1 | Incubation: 20–23 days | Nestling: Leaves nest within 1 day.
Lifespan: At least 7 years, 4 months.
How many are there? Estimated 390,000 individuals.
Conservation Status: Low Concern.


Franklin’s Gull


Length: 13″ | Wingspan: 31″ | Weight: 9 oz

Identification: Breeding: Black hood, thick white eye arcs, dark gray mantle, white-tipped black wingtips, pinkish-white breast. Nonbreeding: White face with dark half-hood covering back of head. Juvenile: Brownish-gray back, partial black hood, dark ear patch, black tail band.
Habitatr: Franklin’s Gull (Leucophaeus pipixcan) favors prairie marshes, flooded fields, agricultural lands, coastal estuaries, bays.
Status and Movements: The Franklin’s Gull is an abundant transient in Missouri, present from April through May and September through October. It arrives in mid-spring, inhabiting open lakes, reservoirs, and agricultural fields.
Behavior: The Franklin’s Gull forages by aerial hawking or walking. Highly social, breeds in massive colonies.
Diet: Insects, earthworms, crustaceans, small fish, snails, seeds.
Nest: Floating platform of aquatic vegetation anchored to emergent plants. Breeds in dense colonies.
Breeding: Breeding Months: Late April-July | Clutch: 2-3 Olive, dark-spotted eggs | Broods: 1 | Incubation: 23-26 days | Nestling: ~5 days.
Lifespan: At least 9 years, 4 months.
How many are there?: There are ~1 million to 1.5 million Franklin’s Gulls globally.
Conservation Status: Least Concern.


Bonaparte’s Gull


Length: 11.4″ | Wingspan: 37″ | Weight: 8 oz

Identification: Breeding: Black hood, white eye-arcs, red legs, white outer-wing wedges. Nonbreeding: White head, prominent black ear spot, pinkish legs. Juvenile: Brown-scaled upperparts, black “M” pattern across wings, pinkish legs, dark tail band.
Habitat: The Bonaparte’s Gull (Chroicocephalus philadelphia) prefers boreal lakes, rivers, coastal bays, estuaries, mudflats, open ocean, sewage lagoons.
Status and Movements: The Bonaparte’s Gull is a common transient in Missouri, present from April through May and October through November. It arrives in mid-spring, inhabiting open lakes, reservoirs, and deep rivers.
Behavior: The Bonaparte’s Gull forages by surface-picking or plunging. Highly social, often found in large flocks.
Diet: Insects, small fish, crustaceans, marine worms, snails.
Nest: Small platform of sticks and moss built in coniferous trees. Nests solitarily or in loose groups.
Breeding: Breeding Months: Late May-July | Clutch: 2-4 buffy-green with dark blotcher eggs | Broods: 1 | Incubation: 22-25 days | Nestling: ~6-7 days.
Lifespan: At least 18 years.
How many are there?: There are ~475,000 to 700,000 Bonaparte’s Gulls globally.
Conservation Status: Least Concern.


Green Heron



Length: 18″ | Wingspan: 26″ | Weight: 7 oz

Identification: Small heron with velvet-green back, rich chestnut body, and dark cap. Juveniles are browner with pale neck streaks and wing spots.
Habitat: The Green Heron (Butorides virescens) forages in most types of wetlands and ditches.
Status and Movements: The Green Heron is a common summer resident in Missouri, present from May through September. It arrives in late spring, inhabiting shaded creek margins, quiet ponds, and woodland swamps.
Behavior: Hunts by standing still or walking slowly in shallow water; strikes quickly when prey approaches.
Diet: Green Herons feed on small fish, shrimp, frogs, and insects.
Nest: Simple stick platform, in trees or shrubs. It is a solitary breeder.
Breeding: Season: February–July | Clutch: 3–5 pale green to bluish eggs | Broods: 1–2 | Incubation: 19–21 days | Nestling: 16–17 days.
Lifespan: Up to 8 years, 11 months.
How many are there? About 1.2 million globally.
Conservation Status: Bird in steep decline (~51%).


American Woodcock

Length: 11″ | Wingspan: 19″ | Weight: 7 oz

Identification: Plump bird, very long straight bill, short tail. Cryptic plumage. Hatchlings covered in thick down.
Habitat: The American Woodcock (Scolopax minor) if founs in forests openings and clearings, young shrubby deciduous forests, old fields, wet meadows.
Status and Movements: The American Woodcock is an uncommon summer resident in Missouri, present from March through November. It arrives in early spring, inhabiting moist bottomland woods and dense riparian thickets.
Behavior: Forages probing soil for earthworms. Often rocks body while walking. Generally solitary; sometimes small clusters (2–4).
Diet: Earthworms, invertebrates, snails, millipedes, spiders, flies, beetles, ants. Plant material: sedges, pigweed.
Nest: Shallow depression on ground. Made by the female in leaf and twig litter. Usually in young upland woods.
Breeding: Breeding Months: January through May | Clutch: 1-5 grayish orange with splotches of brown eggs | Incubation: 20–22 days | Nestling: ~30 days (Independence).
Lifespan: 11 years, 4 months.
How many are there? Global population ~3.5 million individuals.
Conservation Status: Low Concern.


Black-necked Stilt


Length: 14″ | Wingspan: 29″ | Weight: 6 oz

Identification: Elegant black-and-white with long rose-pink legs, slender black bill, and a white patch around the eye. Females and juveniles show browner-black plumage in dark areas.
Habitat: The Black-necked Stilt (Himantopus mexicanus) is found in shallow wetlands, mudflats, sewage or evaporation ponds, and mangrove swamps.
Status and Movements: The Black-necked Stilt is an uncommon summer resident in Missouri, present from May through September. It arrives in late spring, inhabiting shallow wetlands, muddy mudflats, and open sewage lagoons.
Behavior: Forages by wading and pecking, sometimes swinging the bill through water. Loud alarm calls and group displays help deter predators.
Diet: Black-necked Stilts eat primarily aquatic invertebrates; also take small amounts of seeds and plant material.
Nest: Shallow ground scrape on islands, in vegetation, or on floating mats.
Breeding: Season: April-August | Clutch: 2–5 tawny olive, dark brown speckling eggs | Broods: 1 | Incubation: 24–29 days | Nestling: Able to run within ~2 hours.
Lifespan: At least 12 years, 5 months.
How many are there? Estimated global, 900,000 individuals.
Conservation Status: Low Concern.


Boat-tailed Grackle


Length: 16″ | Wingspan: 20.3″ | Weight: 6 oz

Identification: Males are glossy black with a long, V-shaped tail. Females are dark brown above and russet below. Juveniles look like females. Overlaps with similar Great-tailed Grackle (below) in coastal Texas, but Boat-tails are confined to salt marshes and have brown eyes, unlike the white-eyed Great-tailed Grackle found in varied habitats.
Habitat: The Boat-tailed Grackle (Quiscalus major) is found in coastal saltwater and freshwater marshes. It is also found in urban areas and cultivated fields.
Status and Movements: The Boat-tailed Grackle is an accidental vagrant in Missouri, exceptionally rarely present during spring migration. It occasionally wanders inland from coastal regions, inhabiting dense marsh borders and emergent wetlands.
Behavior: Probes soil and water, dunks food before eating. Highly gregarious. Males employ a harem mating system.
Diet: Omnivorous scavenger; Boat-tailed Grackles feed on invertebrates, frogs, lizards, grains, seeds, and human food scraps.
Nest: A woven cup built in cattails or marsh grasses. Constructed as a woven cup with mud and lined with fine materials. Often breeds in colonies.
Breeding: Season: March-July | Clutch: 1–5 light blue with brown scrawls eggs | Broods: 1–2 | Incubation: ~13 days | Nestling: ~13 days.
Lifespan: At least 13 years, 1 month.
How many are there? Global breeding 2 million.
Conservation Status: Low Concern.


Belted Kingfisher


Length: 13″ | Wingspan: 20″ | Weight: 5 oz

Identification: Stocky, large-headed bird with shaggy crest, thick bill. Blue-gray above, white below with blue breast band. Females have rusty belly bands. Juveniles show rusty spotting.
Habitat: The Belted Kingfisher (Megaceryle alcyon) forages at streams, rivers, ponds, lakes, estuaries, and human-made pits.
Status and Movements: The Belted Kingfisher is a year-round resident in Missouri, present from January through December. It breeds in early spring and stays near open water, inhabiting streams, rivers, and clear lakes.
Behavior: Forages alone from a perch or by hovering, diving for prey. Territorial and solitary. Loud rattling calls.
Diet: Fish, crayfish, insects, amphibians, young birds, small mammals, berries.
Nest: Burrow in earthen bank near water, 3–6 ft deep, sloping upward to unlined chamber.
Breeding: Season: Mid-March-Late July | Clutch: 5–8 pure white eggs | Broods: 1–2 | Incubation: 22–24 days | Nestling: 27–29 days.
Lifespan: Typically 6 to 10 years.
How many are there? Global breeding population ~1.8 million.
Conservation Status: Low Concern.


Forster’s Tern


Length: 13″ | Wingspan: 31″ | Weight: 6 oz

Identification: Breeding adults are gray above, white below, with a black cap and an orange bill tipped in black. Nonbreeding adults have a thick black eye patch and a pale head. Juveniles resemble nonbreeding birds but have tan upperparts, a pale bill base, and shorter tails.
Habitat: The Forster’s Tern (Sterna forsteri) uses freshwater, brackish, and saltwater wetlands and bodies of water.
Status and Movements: The Forster’s Tern is a common transient in Missouri, present from April through May and August through September. It arrives in mid-spring, inhabiting expansive marshes, reservoirs, and vegetated lakes.
Behavior: Forages mainly by plunge-diving for fish; sometimes hunts from perches. Highly social, often in flocks.
Diet: Forster’s Terns feed on small fish and insects.
Nest: A shallow scrape or rough bowl on the ground in marsh vegetation, floating mats, or atop muskrat lodges.
Breeding: Season: May-mid August | Clutch: 1–4 olive with dark spots eggs | Broods: 1 | Incubation: 23–28 days | Nestling period: 2–7 days.
Lifespan: At least 15 years, 10 months.
How many are there? ~98,000 global breeders.
Conservation Status: Low Concern.


Great-tailed Grackle

Length: M: 16″ F: 15″ | Wingspan: 22″ | Weight: 5 oz

Identification: Male iridescent black, white eyes, massive keel-shaped tail. Female dark brown, white eyes. Juveniles have dark brown eyes. Overlaps with similar Boat-tailed Grackle (above) in coastal Texas, but Boat-tails are confined to salt marshes and have brown eyes, unlike the white-eyed Great-tailed Grackle found in varied habitats.
Habitat: Marshes, lakes, lagoons, agricultural fields, feedlots, suburbs.
Status and Movements: The Great-tailed Grackle is an uncommon summer resident in Missouri, present from April through October. It arrives in mid-spring, inhabiting cattail marshes, wet agricultural fields, and bustling urban fringes.
Behavior: Highly social, loud birds. Often form large flocks. Forages in urban settings.
Diet: Grains, fruits, insects, tadpoles, frogs, fish, small mammals.
Nest: Bulky cup woven from grasses, bark, and weeds. Lined with mud and fine grasses.
Breeding: Breeding Months: mid-March-late July | Clutch: 1-5 bright blue to bluish gray, dark brown splotches eggs | Broods: 1-2 | Incubation: 13-14 days | Nestling: 20-23 days.
Lifespan: At least 7 years, 9 months.
How many are there? Global population ~30 million individuals.
Conservation Status: Low Concern.


Wilson’s Snipe

Length: 10.5″ | Wingspan: 18″ | Weight: 3.7 oz

Identification: Pudgy bird, very long straight bill. Intricately patterned. Hatchlings tan/chestnut down, black blotches, white crown streak.
Habitat: The Wilson’s Snipe (Gallinago delicata) forages in marshes, bogs, fens, wet meadows, rivers, ponds, wet pastures, muddy pond edges, and damp fields.
Status and Movements: The Wilson’s Snipe is a common transient in Missouri, present from March through May and September through November. It arrives in early spring, inhabiting wet meadows and open mudflats.
Behavior: Probes wet soil methodically. Swallows prey without removing bill. Elusive. Performs winnowing courtship display.
Diet: Wilson’s snipes feed on aquatic invertebrates, insect larvae, worms, snails, crustaceans. Occasionally lizards, frogs, and fish.
Nest: Shallow scrape in moist soil. Lined with coarse and finer grasses. Hidden on ground near water.
Breeding: Breeding Months: Mid-March-late August | Clutch: 2-4 olive brown splotched dark brown eggs | Incubation: 18-20 days | Nestling: Chicks leave the nest day of hatching.
Lifespan: At least 9 years, 3 months.
How many are there? Global population ~2 million individuals.
Conservation Status: Low Concern.


Killdeer


Length: 11″ | Wingspan: 24″ | Weight: 3.3 oz

Identification: Brownish-tan above, white below, with two distinct black breast bands and a black-and-white patterned face. Chicks with a single black breast band.
Habitat: The Killdeer (Charadrius vociferus) forage on lawns, pastures, golf courses, athletic fields, parking lots.
Status and Movements: The Killdeer is a common year-round resident in Missouri, present from January through December. It breeds in early spring, inhabiting gravel shores, open mudflats, and exposed upland agricultural fields.
Behavior: Forages by running and stopping to search the ground for food. Famous for the “broken-wing” distraction display to protect nests.
Diet: Killdeer feed on earthworms, grasshoppers, beetles, aquatic insect larvae, seeds, and frogs.
Nest: A shallow ground scrape, often decorated with rocks, shells, sticks, or debris.
Breeding: Season: March-October | Clutch: 4–6 buff with heavy blackish markings eggs | Broods: 1–3 | Incubation: 22–28 days | Nestlings: leave nest as soon as down is dry.
Lifespan: At least 10 years, 11 months.
How many are there? ~2.3 million global breeders.
Conservation Status: Low Concern.


Least Bittern



Length: 13″ | Wingspan: 17″ | Weight: 2.8 oz

Identification: Tiny heron; males are blackish above and buffy-brown below, females and juveniles are more uniformly brown. Juveniles appear scaly.
Habitat: The Least Bittern (Ixobrychus exilis) forages in freshwater and brackish marshes with tall cattails or reeds.
Status and Movements: The Least Bittern is an uncommon summer resident in Missouri, present from May through September. It arrives in late spring, inhabiting dense, tall cattail and thick bulrush emergent marshes.
Behavior: Hunts by standing still perched on standing reeds. When disturbed, compresses the body, raises neck and bill, and sways with reeds for camouflage.
Diet: The Least Bittern feeds on small fish, frogs, shrimp, mice and, dragonflies.
Nest: Well-hidden platform of reeds and sticks, about 6-30 inches above water.
Breeding: Season: April–July | Clutch: 2–6 pale blue or green eggs | Broods: 1–2 | Incubation: 17–20 days | Nestling: 6–15 days.
How many are there? About 310,000 globally.
Conservation Status: Low concern.


Virginia Rail


Length: 9.5″ | Wingspan: 13″ | Weight: 3 oz

Identification: Small, chickenlike with bill and short, upturned tail. Rusty overall with a gray face and black-and-white barred sides. Legs and bill are reddish.
Habitat: The Virginia Rail (Rallus limicola) inhabits shallow freshwater wetlands as well as muddy bottoms, saltmarshes, and brackish wetlands.
Status and Movements: The Virginia Rail is an uncommon transient and summer resident in Missouri, present from April through October. It arrives in mid-spring, inhabiting shallow freshwater marshes with thick emergent vegetation.
Behavior: Forages by probing mud for prey. Usually solitary. Notable for jerky movements and frequent tail flicking.
Diet: Virginia Rails feeds on insects, small fish, frogs, and plant material including seeds in winter.
Nest: Woven basket of wetland vegetation, placed on floating mats at or just above the water surface.
Breeding: Clutch: 4–13 white/buff with sparse irregular brown spots eggs | Broods: 1–2 | Incubation: 18–20 days | Young: Leave nest after 3–4 days.
Lifespan: Not available.
How many are there? Trends appear stable, though difficult to estimate due to secretive behavior.
Conservation Status: Low conservation concern.


Sora


Length: 8.7″ | Wingspan: 14″ | Weight: 2.6 oz

Identification: Small, chubby rail with mottled gray and brown plumage. Distinctive yellow bill, black mask and throat patch. Females are duller with less black on the face and throat; juveniles lack the mask. Short tail is often cocked upward.
Habitat: The Sora (Porzana carolina) inhabits freshwater and brackish wetlands, wet pastures, ditches, and flooded fields during migration and winter.
Status and Movements: The Sora is a common transient and summer resident in Missouri, present from April through October. It arrives in mid-spring, inhabiting shallow marshes, damp wet meadows, and vegetated shorelines.
Diet: Soras feed on seeds and aquatic invertebrates.
Nest: Shallow basket of cattails or sedges, built on mounds or attached to stems above shallow water.
Breeding: Season: May-August | Clutch: 6–10 cream to cinnamon with irregular brown spots eggs | Broods: 1–2 | Incubation: 17–20 days | Chicks: Leave the nest within 1 day.
Lifespan: Not available.
How many are there? Stable; Considered abundant.
Conservation Status: Low conservation concern.

Yellow-headed Blackbird


Length: 9″ | Wingspan: 17″ | Weight: 2.5 oz

Identification: Breeding: Adult male black with bright yellow head/breast, white wing patches. Female/Immature male: Dull yellow head/breast, dusky brown body, lacks wing patches. Nonbreeding: Males retain yellow, but feathers tipped with dusky; females/immatures even duller. Juvenile: Buff-colored head and throat, brownish-gray body.
Habiat: The Yellow-headed Blackbird (Xanthocephalus xanthocephalus) uses freshwater marshes, wetlands, agricultural fields, pastures, prairies.
Status and Movements: The Yellow-headed Blackbird is a rare summer resident in Missouri, present from April through September. It arrives in mid-spring, inhabiting deep expansive marshes with incredibly dense cattail reed beds.
Behavior: The Yellow-headed Blackbird forages by gleaning and ground-picking. Highly social; breeds in dense, territorial colonies.
Diet: Insects, spiders, seeds, grains.
Nest: Deep, woven cup of wet vegetation lashed to standing marsh plants. Breeds in colonies.
Breeding: Breeding Months: May–July | Clutch: 2–5 Grayish-white, brown-spotted eggs | Broods: 1–2 | Incubation: 11–13 days | Nestling: 9–14 days.
Lifespan: At least 11 years, 8 months.
How many are there?: There are ~11 million Yellow-headed Blackbirds globally.
Conservation Status: Least Concern.


Black Tern


Length: 12″ | Wingspan: 23″ | Weight: 2 oz

Identification: Breeding: Jet-black head and underparts, gray wings and tail, white undertail coverts. Nonbreeding: White face and underparts, dark crown and ear patch, dark smudge on breast sides. Juvenile: Similar to nonbreeding adults but with brown scaling on back and wings.
Habitat: The Black Tern (Chlidonias niger)Freshwater marshes, lake edges, wet prairies, coastal lagoons, open ocean.
Status and Movements: The Black Tern is a common transient in Missouri, present from May through September. It arrives in late spring and departs in early autumn, inhabiting shallow prairie marshes and lakes.
Behavior: The Black Tern forages by hovering and dipping. Social, breeds in loose colonies, migrates in flocks.
Diet: Insects, small fish, spiders, crustaceans, tadpoles.
Nest: Fragile, floating cup of vegetation in shallow water. Breeds in loose colonies.
Breeding: Breeding Months: Mid-May-August | Clutch: 2-4 olive, dark-spotted eggs | Broods: 1 | Incubation: 17-22 days | Nestling: 18-24 days.
Lifespan: At least 11 years, 3 months.
How many are there?: There are ~850,000 Black Terns globally.
Conservation Status: Least Concern.


Red-winged Blackbird

red-winged-blackbird

Length: 9″ | Wingspan: 13″ | Weight: 1.8 oz

Identification: Adult males are glossy black with bright scarlet-and-yellow shoulder patches. Females are streaky dark brown with a paler breast and a whitish eyebrow.
Habitat: The Black Tern (Chlidonias niger) uses freshwater or saltwater marshes and the like, agricultural fields, feedlots, wet roadsides, and even golf courses.
Status and Movements: The Red-winged Blackbird is an abundant year-round resident in Missouri, present from January through December. It breeds in early spring, inhabiting extensive marshes, wet roadside ditches, and agricultural fields.
Behavior: Males sing from high perches and aggressively defend territories. Highly social, with winter roosts often numbering in the millions, mixed with other blackbirds.
Diet: Red-winged Blackbirds feed on insects in summer; seeds and grains in winter.
Nest: Females build a cup-shaped nest in marsh vegetation, shrubs, trees, or crops.
Breeding: Season: April-early August | Clutch: 2–4 pale blue-green to gray with dark markings eggs | Broods: 1–2 | Incubation: 11–13 days | Nestling: 11–14 days.
Lifespan: At least 15 years, 9 months.
How many are there? ~180 million globally.
Conservation Status: Low concern.


Yellow Rail


Length: 7.3″ | Wingspan: 11″ | Weight: 1.8 oz

Identification: Small, brownish-yellow plumage. Paler yellowish face and breast with a dark cheek smudge. Juveniles are duller with fine barring on the nape, sides, and breast.
Habitat: The Yellow Rail (Coturnicops noveboracensis) inhabits shallow freshwater sedge marshes, wet meadows, saltgrass marshes, agricultural fields, and grassy cover.
Status and Movements: The Yellow Rail is a rare transient in Missouri, present from April through May and September through October. It arrives in mid-spring, inhabiting extremely shallow sedge meadows and grassy fens.
Behavior: Walks quietly picking invertebrates and seeds. Rarely flies. Runs quickly through grass like a rodent.
Diet: Feeds on aquatic invertebrates, crustaceans, as well as seeds.
Nest: Yellow Rails nest on the ground. Build a small cup (~3.4 in across) covered with a canopy.
Breeding: Season: mid-May-early September | Clutch: 4–10 creamy buff with brown speckling eggs | Chicks: leave the nest within 1 day.
Lifespan: Not available.
How many are there? Global population over 12,000 individuals.
Conservation Status: Species of concern with more than 50% decline in the past 50 years.


Black Rail


Length: 6″ | Wingspan: 9″ | Weight: 1.1 oz

Identification: Tiny bird with gray-black plumage speckled white, black crown, chestnut nape, and red eyes. Immatures have less white and amber to hazel eyes.
Habitat: The Black Rail (Laterallus jamaicensis) occupies shallow wetlands, riparian zones, coastal prairies, saltmarshes, and rice fields.
Status and Movements: The Black Rail is a rare summer visitor in Missouri, present from May through August. It arrives in late spring, inhabiting incredibly shallow, exceedingly dense, and vegetated grassy marshes.
Behavior: Forages by gleaning invertebrates. Males defend territories and sing.
Diet: Black Rails feed on small invertebrates, as well as seeds from bulrush and cattail.
Nest: Circular bowl of fine grasses placed on the ground at the base of tall vegetation, often with a ramp of dead plant material.
Breeding: Season: March-early September | Clutch: 4–13 creamy white with fine brown spots eggs | Broods: 1–2 | Incubation: 17–20 days | Chicks: Leave the nest within 1 day.
Lifespan: Estimated at 5–9 years.
How many are there? Eastern subspecies numbers only 355–815 breeding pairs.
Conservation Status: The eastern subspecies is listed as Threatened under the U.S. Endangered Species Act.

Foraging Strategy and Habitat use as tools to Identify Missouri Wetland Birds

Even though many birds share wetlands, they don’t all feed in the same way. Each species uses specific strategies—diving, wading, probing mud, or hunting from the air—based on its food preferences and adaptations. For birdwatchers, knowing these foraging groups helps predict where certain species are most likely to be found in a wetland, making it easier to spot and identify them.

The table below summarizes the main foraging groups of Missouri’s wetland birds, their preferred habitats, and representative species.

Foraging GroupGeneral Description of StrategyPreferred Habitat TypeRepresentative Species
Diving BirdsForage by diving beneath the water’s surface to find food.Open, deep water (lakes, rivers, coastal areas)Grebes, cormorants, anhingas
Open Water WadersForage by wading in shallow water with low-density vegetation.Shallow water with low vegetationHerons, egrets, ibises, storks, cranes, spoonbills, avocets, stilts
Dense Vegetation WadersForage by wading in shallow water surrounded by dense vegetation.Shallow water with dense vegetationNight herons, green herons, bitterns, rails, limpkin
Dipping/Dabbling ForagersForage by surface dipping or “tipping” in shallow water.Shallow water, ponds, marshes with dense vegetationCoots, gallinules
Moist-soil ForagersForage in muddy or moist-soil areas along the shoreline.Muddy areas, moist soil, shorelinesIbises, killdeer, rails, gallinules
Aerial Piscivores/snail eatersUse perches or flight to spot and dive for prey.Open water, often near perches or treesTerns, kingfishers, eagles, osprey

Missouri Wetland Bird Hotspots: Top 5 Locations for Viewing

Missouri’s diverse aquatic habitats support substantial concentrations of herons, rails, coots, grebes, and others. These vital floodplain and river systems offer rich foraging grounds for spectacular numbers of nesting and migrating waterbirds.

Squaw Creek National Wildlife Refuge (Loess Bluffs): Located in northwestern Missouri near Mound City, this 7,440-acre refuge boasts expansive managed wetlands, mudflats, and loess hill borders. It serves as a legendary stopover for millions of migratory waterfowl, including Snow Geese, Trumpeter Swans, and Northern Pintails.

Mingo National Wildlife Refuge: Situated in southeastern Missouri’s bootheel, this 21,592-acre wilderness protects the state’s largest remaining tract of bottomland hardwood forest and ancient cypress swamps. It provides a unique, shaded aquatic habitat ideal for nesting Wood Ducks, Prothonotary Warblers, and Hooded Mergansers.

Eagle Bluffs Conservation Area: Positioned in central Missouri along the Missouri River near Columbia, this 4,431-acre site utilizes recycled wastewater to maintain dynamic marsh pools and mudflats. The riverine wetlands host high concentrations of foraging shorebirds, including American Avocets, Lesser Yellowlegs, and Great Egrets.

Swan Lake National Wildlife Refuge: Located in north-central Missouri near Sumner, this 10,670-acre floodplain sanctuary encompasses vast emergent marshes, oxbow lakes, and flooded fields. It provides a critical sanctuary and wintering area for thousands of Canada Geese, Mallards, and American Coots.

Ted Shanks Conservation Area: Situated in northeastern Missouri along the Mississippi River, this 11,402-acre complex features a mosaic of bottomland timber, oxbow sloughs, and managed moist-soil units. The diverse riverine corridor reliably attracts specialized wetland species like Least Bitterns, Sora Rails, and Green Herons.

Conclusions

The identification guide for the 54 wetland birds  of Missouri is based on the principles of citizen science. Species include Herons, Egrets, and Bitterns, Rails, Coots, Gallinules, and Swamphens, Loons, Gulls & Terns, Pelicans, Cormorants, and Anhinga, Ibises, Cranes, Avocets and Stilts, Snipes & Woodcock, Blackbirds, Grebes, Killdeer, and Kingfishers.

The list of species included in this guide are largely derived from observations submitted by bird enthusiasts participating in the eBird project of the Cornell Lab of Ornithology.

This guide helps you distinguish male, female, and juvenile plumages through clear illustrations. Familiarize yourself with these waterfowl to improve your identification skills and enhance your outdoor experiences.

Photo Credits:

The photographic material used in this guide was made available on various websites. Many thanks to Andrew Morffew, Mark Mochell, Elizabeth Milson, Duzan Brinkhuizen, Dennis Church, Wendy Miller, Rick From Alabama, John Benson, Mick Thompson, Steve Guttman, Victor Espinoza, Kelly Colgan-Azar, Andy Reago, Chrissy McLaren, Garry C., Linda Fortuna, Vicky DeLoach, Paul Hurtado, Tom Murray, Tom Wilberding, Kenneth Cole-Schneider, Doug Greenberg, Brian Garrett, David White, Becky Matsubara, Dan Mooney, Hal Trachtenberg, Lloyd Davis, Denis Fournier, Gregory Heaton, hharryus, Greg Lavaty, Dona Hilkey, Joshua Mayer, Aaron Maizlish, Ashley Tubs, Richard George, Sandra Minica, Nick, Jon valentine, Steve Valasek, Mitch Walters, Kurayba and Julio Mulero.

Voices:

Most recordings were made by Paul Marvin (Xeno-canto https://xeno-canto.org/contributor/RFTXRYBVBX)

References and Sources:

  • Allaboutbirds.org
  • eBird. (https://ebird.org/)
  • Birds of the World: https://birdsoftheworld.org/bow/home
  • Gill, Frank B., 1994. Ornithology – 2nd Edition, W. H. Freeman and Company.
  • Sibley, David, 2000, The Sibley Guide to Birds. Alfred A. Knopf, Publisher.
  • Species Longevity Data: United States Geological Survey (https://www.usgs.gov/)
  • The Sibley Guide to Bird Life and Behavior, 2001. Chris Elphick, John Dunning, and David Sibley (eds). Alfred A. Knopf, New York.

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