44 Nova Scotia & Prince Edward Island Wetland Birds: ID Guide

Discover the wetland birds of the Provinces of Nova Scotia and Prince Edward Island with this identification guide featuring 44 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 Nova Scotia and Prince Edward Island’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.

Nova Scotia Wetlands

Nova Scotia contains approximately 570,000 hectares of wetlands. These ecosystems cover more than 10% of Nova Scotia’s total land and water area.

Statistics of Interest

  • Extreme Coastal Destruction: Since initial European settlement, more than 60% of Nova Scotia’s highly productive coastal salt marshes have been permanently lost to land development. 
  • Unrivaled Priority Habitat: Local wetlands support a higher overall volume of federally designated priority wildlife species (45%) than the province’s combined upland forest zones. 
  • Critical Nesting Discrepancy: Local surveys reveal that overall bird species diversity, abundance, and priority nesting density are significantly higher in forested wetlands than in surrounding mature timber stands.

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

Prince Edward Island Wetlands

Prince Edward Island contains approximately 30,000 to 39,850 hectares of wetlands. These ecosystems cover roughly 5.3% to 7% of Prince Edward Island’s total land area.

Statistics of Interest

  • Staging and Nesting Strongholds: The island’s rich coastal salt marshes and estuaries serve as high-priority staging and nesting grounds for federally listed species at risk, including the Piping Plover and Red Knot.
  • Concentrated Sanctuary Protections: The Black Pond Migratory Bird Sanctuary protects a dense 100-hectare block of water and land, providing a highly vital refuge along the Atlantic Flyway.
  • Heavy Historical Conversion: Decades of intense land conversion for timber and agriculture have eliminated most of PEI’s inland mature forests, driving up the conservation value of remaining coastal wetlands.

Birds of Nova Scotia & Prince Edward’s Marshes, Swamps, and Coastal Wetlands

This guide highlights the 44 bird species most closely tied to Nova Scotia and Prince Edward Island’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 Nova Scotia and Prince Edward’s Island.

The breakdown of wetland birds by group is as follows:


Very Large Wetland Birds of Nova Scotia & Prince Edward Island (>10 lb)

This category includes the true giants of both provinces’ 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.


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 casual vagrant in Nova Scotia & Prince Edward Island, present from May through September. It wanders unpredictably during summer, inhabiting large coastal estuaries and open bays..
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 a rare vagrant in Nova Scotia & Prince Edward Island, present from May through October. It arrives in late spring and departs in mid-autumn, inhabiting wet meadows and grassy coastal fields.
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 an abundant summer resident in Nova Scotia & Prince Edward Island, present from April through November. It arrives in mid-spring and departs in late autumn, inhabiting clear ponds and sheltered coastal waters.
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 Nova Scotia & Prince Edward Island (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 common year-round resident in Nova Scotia & Prince Edward Island, present from January through December. It breeds in early spring, inhabiting coastal estuaries, ocean shores, and quiet lake margins.
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 summer resident in Nova Scotia & Prince Edward Island, present from April through October. It arrives in mid-spring and departs in mid-autumn, inhabiting salt marshes, mudflats, and shallow bays.
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 Nova Scotia & Prince Edward Island (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 transient in Nova Scotia & Prince Edward Island, present from May through June and October through November. It arrives during migration, inhabiting deep coastal ocean waters and offshore bays..
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 an abundant summer resident in Nova Scotia & Prince Edward Island, present from April through November. It arrives in mid-spring and departs in late autumn, inhabiting coastal cliffs, bays, and estuaries..
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 common summer resident in Nova Scotia & Prince Edward Island, present from April through October. It arrives in mid-spring and departs in mid-autumn, inhabiting coastal estuaries, bays, and 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.


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 regular transient in Nova Scotia & Prince Edward Island, present from May through June and September through November. It arrives during migration, inhabiting coastal ocean waters, bays, and broad estuaries.
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.


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 regular transient in Nova Scotia & Prince Edward Island, present from April through May and September through November. It arrives during migration, inhabiting sheltered coastal bays, coves, and ocean inlets.
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.


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 an abundant year-round resident in Nova Scotia & Prince Edward Island, present from January through December. It breeds in summer and overwinters, inhabiting coastal beaches, cliffs, and ocean waters.
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.


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 Nova Scotia & Prince Edward Island, present from May through October. It arrives in late spring and departs in mid-autumn, inhabiting dense coastal marshes, swamps, and pond margins.
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 a rare summer visitor in Nova Scotia & Prince Edward Island, present from April through November. It arrives in mid-spring and departs in late autumn, inhabiting vegetated freshwater ponds and sheltered marsh edges.
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.


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 a casual vagrant in Nova Scotia & Prince Edward Island, present from May through September. It wanders north during late spring and summer, inhabiting wooded coastal creeks, swamps, and shaded inlets.
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 summer resident in Nova Scotia & Prince Edward Island, present from May through October. It arrives in late spring and departs in mid-autumn, inhabiting extensive freshwater cattail marshes and coastal fens.
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 an uncommon summer visitor in Nova Scotia & Prince Edward Island, present from May through October. It arrives in late spring and departs in mid-autumn, inhabiting shallow salt marshes, estuarine mudflats, and river basins.
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 casual vagrant in Nova Scotia & Prince Edward Island, present from April through October. It arrives in mid-spring and departs in mid-autumn, inhabiting mature, moist deciduous and bottomland hardwood forests.
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 an uncommon summer visitor in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting sheltered coastal bays, estuaries, and barrier beaches.
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.


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 vagrant in Nova Scotia & Prince Edward Island, present from May through August. It wanders northward in late spring and summer, inhabiting shallow coastal marshes, flooded fields, and muddy estuarine borders.
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 summer resident in Nova Scotia & Prince Edward Island, present from March through November. It arrives in early spring and departs in late autumn, inhabiting coastal beaches, harbors, 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 an uncommon summer resident in Nova Scotia & Prince Edward Island, present from April through November. It arrives in mid-spring and departs in late autumn, inhabiting small, heavily vegetated freshwater ponds and 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 Nova Scotia & Prince Edward Island, present from April through May and September through November. It arrives during migration, inhabiting open ocean bays, coastal coves, and sheltered inlets.
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.

Small Wetland Birds of Nova Scotia & Prince Edward Island (< 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 a casual vagrant in Nova Scotia & Prince Edward Island, present from May through September. It wanders northward in late spring and summer, inhabiting shallow salt marsh pools, tidal creeks, and mudflats.
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.


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 an accidental vagrant in Nova Scotia & Prince Edward Island, sporadically present from May through August. It wanders unpredictably in late spring and summer, inhabiting shallow salt marshes and quiet vegetated borders.
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 a casual transient in Nova Scotia & Prince Edward Island, present from May through October. It arrives in late spring and departs in mid-autumn, inhabiting sheltered ocean bays, coastal lagoons, and open marshlands.
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 a rare summer visitor in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting coastal agricultural fields, pastures, and marsh edges.
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 a rare summer visitor in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting coastal agricultural fields, pastures, and marsh edges.
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 a rare transient in Nova Scotia & Prince Edward Island, present from May through May and August through October. It arrives during migration, inhabiting shallow coastal mudflats, lagoon edges, and open beaches.
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 visitor in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting deep freshwater marshes with dense floating 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.


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 Nova Scotia & Prince Edward Island, rarely present from May through October. It overshoots during late spring migration, inhabiting densely vegetated freshwater ponds with aquatic 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.


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 Nova Scotia & Prince Edward Island, present from May through June and August through November. It arrives during migration, inhabiting coastal inlets, ocean beaches, and broad estuaries.
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 an uncommon summer resident in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting shaded creek margins, ponds, and wooded 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 a common summer resident in Nova Scotia & Prince Edward Island, present from April through November. It arrives in mid-spring and departs in late autumn, inhabiting damp thickets, moist woods, and wet meadows.
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 a casual vagrant in Nova Scotia & Prince Edward Island, rarely present from May through August. It wanders unpredictably in late spring and summer, inhabiting shallow coastal pools, mudflats, and salt marsh edges.
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.


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 common summer resident in Nova Scotia & Prince Edward Island, present from April through October. It arrives in mid-spring and departs in mid-autumn, inhabiting sheltered coastal bays, rivers, and clear ponds.
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 rare summer visitor in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting sheltered coastal bays, estuaries, and salt marshes.
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.


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 summer resident in Nova Scotia & Prince Edward Island, present from April through November. It arrives in mid-spring and departs in late autumn, inhabiting wet meadows, peat bogs, and muddy marsh edges.
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 summer resident in Nova Scotia & Prince Edward Island, present from April through October. It arrives in mid-spring and departs in mid-autumn, inhabiting gravel shores, open fields, and coastal mudflats.
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 a rare summer visitor in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting dense freshwater cattail and bulrush 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 summer resident in Nova Scotia & Prince Edward Island, present from May through October. It arrives in late spring and departs in mid-autumn, inhabiting shallow freshwater and brackish marshes.
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 summer resident in Nova Scotia & Prince Edward Island, present from May through October. It arrives in late spring and departs in mid-autumn, inhabiting shallow freshwater marshes, wet meadows, and grassy ditches.
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.


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 rare summer visitor in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting shallow, vegetated freshwater marshes and coastal lagoons.
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 summer resident in Nova Scotia & Prince Edward Island, present from April through November. It arrives in mid-spring and departs in late autumn, inhabiting freshwater marshes, roadside ditches, and 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 summer resident in Nova Scotia & Prince Edward Island, present from May through September. It arrives in late spring and departs in early autumn, inhabiting shallow sedge meadows and grassy coastal 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.

Foraging Strategy and Habitat use as tools to Identify Nova Scotia & Prince Edward Island 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 Nova Scotia & Prince Edward Island’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

Nova Scotia Wetland Bird Hotspots: Top 5 Locations for Viewing

Nova Scotia’s diverse aquatic habitats support substantial concentrations of herons, rails, coots, grebes, and others. These prime birding destinations offer exceptional seasonal viewing opportunities for enthusiasts tracking regional waterfowl and wading species.

Minas Basin Wildlife Management Area: Located at the eastern tip of the Bay of Fundy near Grand Pré, this site features world-famous mudflats and tidal salt marshes. It hosts spectacular seasonal concentrations of Semipalmated Sandpipers, Peregrine Falcons, and Great Egrets.

Belleisle Marsh: Situated in the historic Annapolis Valley near Bridgetown, this large, multi-use managed wetland features open impoundments and agricultural dikes. It is a premier nesting and feeding site for Sora rails, American Bitterns, and Northern Pintails.

Conrads Beach / Lawrencetown Marsh: Located along the Eastern Shore near Dartmouth, this coastal system boasts pristine sandy barriers, tidal lagoons, and salt marshes. The diverse habitat is excellent for spotting Piping Plovers, Willets, and Horned Grebes.

Bellemeade Marsh: Positioned along the tides of the Shubenacadie River estuary, this extensive salt marsh network features deep mud channels and cordgrass flats. It acts as an important sanctuary for viewing Glossy Ibis, Lesser Yellowlegs, and Great Blue Herons.

Amherst Marsh: Tucked right against the New Brunswick border near Amherst, this expansive managed wetland complex protects massive freshwater impoundments. It is highly celebrated for supporting thriving breeding populations of Pied-billed Grebes, Common Gallinules, and American Coots.

Prince Edward Island Wetland Bird Hotspots: Top 5 Locations for Viewing

Prince Edward Island’s diverse aquatic habitats support substantial concentrations of herons, rails, coots, grebes, and others. These prime birding destinations offer exceptional seasonal viewing opportunities for enthusiasts tracking regional waterfowl and wading species.

Greenwich (Prince Edward Island National Park): Located on the peninsula separating St. Peters Bay from the Gulf of St. Lawrence, this site features extensive freshwater ponds, salt marshes, and parabolic dunes. The protected coastal habitat provides exceptional viewing for Horned Grebes, American Black Ducks, and Great Blue Herons.

Miscouche Marsh / Sunbury Cove: Situated just west of Summerside, this extensive tidal salt marsh system faces the Northumberland Strait. The nutrient-rich mudflats and shallow waters serve as a major staging area for Willets, Greater Yellowlegs, and Nelson’s Sparrows.

Hillsborough River Marshes: Spanning the river corridor near Mount Stewart, this Canadian Heritage River feature protects vast brackish marshes and winding tidal creeks. It acts as a critical inland sanctuary, attracting notable concentrations of Sora rails, Blue-winged Teal, and Green Herons.

Allisary Creek Impoundment: Located near Mount Stewart, this managed freshwater wetland facility features open water pools and dense emergent vegetation. It offers a highly accessible trail network for spotting Ring-necked Ducks, Pied-billed Grebes, and American Bitterns.

Borden-Carleton Lagoons: Positioned right near the foot of the Confederation Bridge, these decommissioned treatment ponds and adjacent coastal flats have become a renowned birding oasis. They provide excellent viewing conditions for rare shorebirds, Northern Shovelers, and Lesser Scaup.

Conclusions

The identification guide for the 44 wetland birds  of Nova Scotia & Prince Edward Island 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:

  • Gill, Frank B., 1994. Ornithology – 2nd Edition, W. H. Freeman and Company.
    • 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.

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