45 New Brunswick Wetland Birds: ID & Sound Guide

Explore the wetland birds of New Brunswick with this essential identification guide featuring 45 species plates. To simplify bird ID across the the Picture Province, we categorize resident and migrant birds by size—from massive cranes to secretive rails. Learn to recognize key traits, habitats, and behavior in New Brunswick’s marshes and swamps.

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.

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.

New Brunswick Wetlands

New Brunswick has 300,000 hectares of wetlands. This data comes from the Shediac Bay Watershed Association. The wetlands cover 4% of the total land area. Please note that New Brunswick is a Canadian province.

Wetland and Bird Statistics

• Over 65% of coastal salt marshes are gone.
• The Nature Trust of New Brunswick tracks this habitat loss.
• This decline impacted nearly 50 native bird species.
• Inland bogs make up 49% of wetlands.
• The official New Brunswick Bird List holds 442 distinct 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 Brunswick’s Marshes, Swamps, and Coastal Wetlands

This guide highlights the 45 bird species most closely tied to New Brunswick’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 New Brunswick.

The breakdown of wetland birds by group is as follows:

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Very Large Wetland Birds of New Brunswick (>10 lb)

This category includes the true giants of Texas’ 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 province. Their size, slow wingbeats, and visual presence distinguish them clearly from all other waterbirds.

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American White Pelican

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 rare vagrant in New Brunswick. Individual birds occasionally arrive in late spring or summer (May to August), visiting large inland lakes or coastal estuaries before departing south.
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.

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Sandhill Crane

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 a rare breeding summer resident in New Brunswick. Arriving in mid-spring (April) and departing by late autumn (October), it inhabits open wetlands and agricultural fields during its stay.
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? In Floria there are about 4,500 resident and 25,000 migratory Sandhill Cranes.
Conservation Status: Low concern.

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Common Loon

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 common breeding summer resident and winter visitor in New Brunswick. Breeding pairs arrive on freshwater lakes in April, while coastal populations remain year-round across winter months
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.

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Large-Wetland-Birds of New Brunswick (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 province.

Bald Eagle

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 fairly common year-round resident in New Brunswick. It is found near coastal waters and large rivers, with numbers swelling during seasonal winter concentrations from December to March.
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.

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Great Blue Heron

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 breeding summer resident in New Brunswick. Arriving in late March or April, it frequents wetlands and shores before migrating south by late November.
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.

Medium-sized Wetland Birds of New Brunswick (3.7–1 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.

Double-crested Cormorant

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) favors freshwater and saltwater habitats, coasts, large inland lakes.
Status and Movements: The Double-crested Cormorant is a common summer resident in New Brunswick. Arriving in April to breed in coastal and inland colonies, it departs for southern wintering grounds by late October
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.

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Osprey

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 common breeding summer resident in New Brunswick. It arrives in mid-April to nest near rivers and coasts, departing south for the winter by late September or October.
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.

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Red-throated Loon

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 common transient and uncommon winter visitor in New Brunswick. It moves through coastal waters in spring (May) and autumn (September to November), with some overwintering.
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.

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Red-necked Grebe

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 common transient and winter visitor in New Brunswick. Present in coastal bays from September through April, it departs for western breeding grounds by May.
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.

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American Herring Gull

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 Herring Gull (Larus smithsonianus) inhabits coasts, lakes, rivers, estuaries, mudflats, fields, landfills, parking lots.
Status and Movements: The American Herring Gull is an abundant year-round resident in New Brunswick. It breeds in large coastal and inland colonies from April to August and remains widespread throughout the winter.
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.

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White Ibis

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 an accidental vagrant in New Brunswick. It has no regular seasonal timing, occasionally appearing as a rare wanderer in coastal marshes between May and September.
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

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Black-crowned Night-Heron

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 New Brunswick. Arriving in late April, it breeds in localized coastal wetlands and departs for southern wintering grounds by October.
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.

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American Coot

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 uncommon transient and rare summer resident in New Brunswick. It passes through wetlands primarily in autumn (September to November), with small numbers occasionally breeding in summer.
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.

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Yellow-crowned Night-Heron

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 a rare post-breeding vagrant in New Brunswick. Southerly wanderers occasionally appear in coastal lagoons and salt marshes between late summer and autumn (August to October).
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.

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American Bittern

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) inhabits shallow freshwater marshes with dense reeds and emergent vegetation.
Status and Movements: The American Bittern is a common breeding summer resident in New Brunswick. This secretive marsh bird arrives in mid-April and departs for southern wintering areas by late October.
Behavior: When alarmed, points bill upward to blend with reeds.
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.

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Great Egret

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 an uncommon post-breeding visitor and rare summer resident in New Brunswick. Birds wander north into wetlands from June to October, with exceptional nesting records in spring.
Behavior: Hunts by standing still in shallow water, striking quickly at prey.
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.

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Red-shouldered Hawk

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 rare summer resident and transient in New Brunswick. Arriving in April, it utilizes mature riparian forests during breeding and departs southward by October.
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.

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Caspian Tern

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 an uncommon transient and rare summer visitor in New Brunswick. It is typically observed along coastlines and large rivers during migration from May to September.
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.

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Glossy Ibis

Identification: Deep maroon body with metallic green, bronze, and violet wing coverts. It appears black in the distance.
Habitat: The Glossy Ibis (Plegadis chihi) uses freshwater, brackish, and saltwater marshes and rice fields.
Status and Movements: The Glossy Ibis is a rare spring vagrant and occasional visitor in New Brunswick. Small numbers wander north into freshwater marshes and damp pastures between April and June.
Behavior: Feeds and nests in flocks. Forages by probing wet substrates or gleaning.
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.

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Pied-billed Grebe

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 fairly common breeding summer resident in New Brunswick. It occupies quiet, reedy ponds from mid-April until freezing conditions force southward migration in November.
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.

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Horned Grebe

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 common transient and winter visitor in New Brunswick. It is found in coastal waters from October through April before migrating to western breeding grounds.
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.

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Ring-billed Gull

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) uses lakes, rivers, coasts, mudflats, docks, landfills, parking lots, fields.
Status and Movements: The Ring-billed Gull is a common breeding summer resident and transient in New Brunswick. It nests in coastal and inland colonies from April to August, with most departing by December.
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.

Small Wetland Birds of New Brunswick (< 1 lb)

This group includes the lightest wetland species in the province, 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.

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Snowy Egret

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 a rare spring and post-breeding summer visitor in New Brunswick. It occasionally wanders north to coastal salt marshes between May and September.
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.

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King Rail

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 an accidental vagrant in New Brunswick. Preferring dense freshwater marshes, it has only exceptional records, typically appearing during late spring or summer (May to August).
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.

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Tricolored Heron

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 rare vagrant in New Brunswick. It occasionally wanders north from southern coastlines, appearing in coastal marshes mostly between May and August.
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.

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Cattle Egret

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 Cattle Egret (Bubulcus ibis) uses wet grasslands, pastures, farmlands; favors drier open areas more than other herons.
Status and Movements: The Cattle Egret is a rare spring and autumn wanderer in New Brunswick. It does not breed locally, occasionally appearing in pastures and agricultural fields from May or October.
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.

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Little Blue Heron

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 Little Blue Heron is a rare spring and post-breeding summer visitor in New Brunswick. Wandering individuals are observed in coastal marshes primarily between May and September.
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.

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American Avocet

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 a rare autumn vagrant in New Brunswick. Stray individuals from western breeding grounds occasionally appear on coastal mudflats and shallow lagoons from August to October.
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.

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Common Gallinule

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 breeding summer resident in New Brunswick. Arriving in May, it inhabits heavily vegetated freshwater marshes and departs southward by October.
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.

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Clapper Rail

Identification: Chickenlike with a stout orange bill, stubby tail, and laterally compressed body. Barred sides and belly, pink legs. Chicks covered in black down.
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 New Brunswick. Restricted to salt marshes, it occasionally wanders north of its usual range during summer or autumn (June to November).
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.

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Purple Gallinule

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 a rare autumn and winter vagrant in New Brunswick. Driven north by storms, individual wanderers typically appear in freshwater marshes between October and December.
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.

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Bonaparte’s Gull

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) Boreal lakes, rivers, coastal bays, estuaries, mudflats, open ocean, sewage lagoons.
Status and Movements: The Bonaparte’s Gull is a common transient and non-breeding summer visitor in New Brunswick. Large flocks aggregate in coastal bays from May to November before migrating to southern coasts.
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.

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Green Heron

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 an uncommon breeding summer resident in New Brunswick. Arriving in early May, it nests along brushy wetland edges and migrates south by late September.
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%).

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American Woodcock

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 a common breeding summer resident in New Brunswick. Arriving early in spring (March or April), it inhabits damp woodlands and departs southward by November.
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.

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Black-necked Stilt

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 accidental vagrant in New Brunswick. This striking shorebird occasionally wanders far north of its breeding range, appearing in coastal wetlands between May and August.
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.

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Belted Kingfisher

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 common summer resident and rare winter resident in New Brunswick. Present near waterways from April to November, some remain near open, ice-free waters year-round.
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.

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Forster’s Tern

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 rare autumn vagrant in New Brunswick. It occasionally wanders north along coastal beaches and estuaries following the breeding season, primarily from August to October.
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.

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Wilson’s Snipe

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 breeding summer resident in New Brunswick. It arrives in damp marshes by April, displays prominently throughout spring, and departs southward by November.
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.

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Killdeer

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 breeding summer resident in New Brunswick. One of the earliest spring arrivals, it appears in March and stays in open fields until November.
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.

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Least Bittern

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 a rare breeding summer resident in New Brunswick. This elusive bird arrives in late May to nest in dense cattail marshes and departs south by September.
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.

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Virginia Rail

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 breeding summer resident in New Brunswick. It occupies dense freshwater marshes from early May until departing for southern wintering grounds in October.
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.

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Sora

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 fairly common breeding summer resident in New Brunswick. Arriving in early May, its distinctive calls resound in marshes until it migrates south by October.
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.

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Black Tern

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 adult but with brown scaling on back and wings.
Habitat: The Black Tern (Chlidonias niger) uses freshwater marshes, lake edges, wet prairies, coastal lagoons, open ocean.
Status and Movements: The Black Tern is an uncommon and localized breeding summer resident in New Brunswick. It nests on marshy vegetation from mid-May through August before migrating south.
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.

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Red-winged Blackbird

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 Red-winged Blackbird (Agelaius phoeniceus) favors 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 breeding summer resident in New Brunswick. Males arrive early in March to defend marsh territories, and flocks depart south by late November.
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.

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Yellow Rail

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 and highly localized breeding summer resident in New Brunswick. It occupies dense grassy wetlands from late May until migrating southward in October.
Behavior: Walks quietly picking invertebrates and seeds. Rarely flies. Runs quickly through grass like a rodent.
Diet: Feeds on aquatic invertebrates, crustaceans, and 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.

Foraging Strategy and Habitat use as tools to Identify New Brunswick 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 New Brunswick’s wetland birds, their preferred habitats, and representative species.

Foraging Group	General Description of Strategy	Preferred Habitat Type	Representative Species
Diving Birds	Forage by diving beneath the water’s surface to find food.	Open, deep water (lakes, rivers, coastal areas)	Grebes, cormorants, anhingas
Open Water Waders	Forage by wading in shallow water with low-density vegetation.	Shallow water with low vegetation	Herons, egrets, ibises, storks, cranes, spoonbills, avocets, stilts
Dense Vegetation Waders	Forage by wading in shallow water surrounded by dense vegetation.	Shallow water with dense vegetation	Night herons, green herons, bitterns, rails, limpkin
Dipping/Dabbling Foragers	Forage by surface dipping or “tipping” in shallow water.	Shallow water, ponds, marshes with dense vegetation	Coots, gallinules
Moist-soil Foragers	Forage in muddy or moist-soil areas along the shoreline.	Muddy areas, moist soil, shorelines	Ibises, killdeer, rails, gallinules
Aerial Piscivores/snail eaters	Use perches or flight to spot and dive for prey.	Open water, often near perches or trees	Terns, kingfishers, eagles, osprey

New Brunswick Wetland Bird Hotspots: Top 5 Locations for Viewing

New Brunswick’s extensive Bay of Fundy tidal flats, freshwater marshes, and river systems support substantial concentrations of herons, rails, coots, grebes, and other wetland species. The province’s varied coastal and inland habitats make it a standout destination for wetland birding.

Shepody Bay: Located on the Bay of Fundy near Riverside-Albert, this site features vast intertidal mudflats and salt marsh. It’s globally significant for shorebirds and hosts Great Blue Herons, American Bitterns, and Virginia Rails.

Tantramar Marshes: Situated near Sackville along the Bay of Fundy, this is one of the largest freshwater and saltwater marsh complexes in the region. Birders find Soras, Pied-billed Grebes, American Coots, and Marsh Wrens here.

Mary’s Point: Found on the upper Bay of Fundy near Harvey, this site combines mudflats and salt marsh habitat. It attracts Semipalmated Sandpipers alongside Great Egrets, Black-crowned Night-Herons, and Willets.

Grand Lake Meadows: Located along the Saint John River near Jemseg, this expansive freshwater wetland is New Brunswick’s largest. It supports Least Bitterns, Virginia Rails, Pied-billed Grebes, and American Coots.

Portobello Creek National Wildlife Area: Situated near Grand Lake in Sunbury County, this refuge features floodplain forest and marsh habitat. Birders regularly spot Green Herons, Soras, Wood Ducks, and American Bitterns.

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 obtained from: (Xeno-canto https://xeno-canto.org/)

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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