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Cory's Shearwater: Large gray-brown shearwater, white underparts, pale yellow bill. Feeds at night on crustaceans and large sqiud it takes from the surface. Best identified by its relatively slow, languid flight compared to other shearwaters. Wings held downward. Soars on fixed wings if wind is up.
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Gull-billed Tern: Lightest North American tern. Black cap that extends below eyes, down nape; pale gray upperparts that are darker at the wingtips; short, stout black bill and black legs, feet; long wings with very long outer primaries. Direct flight with graceful, shallow wing beats.
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Yellow-legged Gull: Large white gull, medium gray upperparts and red spot on bright yellow bill; legs and feet are yellow. Tail is white. Wades or makes shallow dives to catch food, steals, scavenges. Strong, direct flight with deep, steady wing beats. Rides thermals and updrafts, sometimes hovers.
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Great Skua: Large, heavy-bodied seabird, prominent white patch in primary feathers. Body color ranges from a light bleached to dark brown, all have a cinammon wash that makes the bird look red-tinged. Strong direct flight with constant shallow wingbeats. Hugs wave contours or flies up to 150 feet.
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Red-billed Tropicbird: Slender, white, gull-like seabird with long white tail streamers. White back, finely barred black. Black eye stripe curves upward behind eye, almost meets at nape. Black primaries, red bill. Direct, rapid flight, pigeonlike, stiff, shallow wingbeats. The largest tropicbird.
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American Oystercatcher: Large shorebird with white underparts, brown upperparts, black hood, long, bright red-orange needle-shaped bill. White wing patches visible in flight. Yellow eyes surrounded by orange eye-rings. Legs and feet are pink. Feeds on mussels and other bivalves. Rapid direct flight.
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Great Black-backed Gull: World's largest gull. White head, black upperparts, white underparts, large yellow bill with red spot on lower mandible, pale-eyed with red orbital ring, pink legs, feet. Flight is direct and powerful with deep, slow wing beats. Soars on thermals or updrafts.
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Mute Swan: Aggressive bird, entirely white, orange bill with large black basal knob and naked black lores. Curved neck is often stained with pigments from iron or algae. Legs and feet are black. Feeds on aquatic plants collected from bottom. Direct flight with strong steady wing beats.
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Greater Scaup: Large diving duck with glossy green-black head, white sides and belly, black tail, neck and breast, barred gray flanks and back. Eyes are yellow. Bill is blue-gray with a black tip. Feeds on insects, plants, vertebrates and mollusks. Rapid direct flight with strong rapid wing beats.
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Yellow-nosed Albatross: Pelagic albatross with pale gray head, neck, rump, black back, upperwings, white underparts and black margin around white underwings. Red-tipped black bill has yellow patch on upper mandible. Gray legs, feet. Glides and soars for hours with minor adjustments to wing position.
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White Ibis: This coastal species is white overall with pink facial skin, bill, and legs that turn scarlet during breeding season. Black tips on the primary feathers are only seen in flight. Flies in straight line formation with neck and legs outstretched, roosts high in trees and bushes at night.
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White-tailed Eagle: Fourth largest eagle in the world, has a dark brown body, brown and white streaked head, neck, and breast with a white tail. The bill, legs, and feet are yellow and eyes are medium brown. Heavy flight with strong, deep, steady wing beats alternating with glides. Soars on thermals.
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Band-rumped Storm-Petrel: Black-brown storm-petrel with gray-brown wing bars and conspicuous white band across the rump and, large, slightly notched tail. Black bill, legs and feet. Bouyant, zigzag flight alternating several rapid wing beats with glide on horizontal or slightly downward-bowed wings.
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Northern Gannet: Very large seabird. White overall with black primaries and long pointed wings. Light yellow wash on crown of head extending down nape may be visible. Bill, legs, and feet are gray. Dives for fish and squid. Alternates rapid wing beats with short glides. Soars to great heights.
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White-faced Storm-Petrel: The only Atlantic storm-petrel with the combination of dark gray upperparts and white underparts with a dark cap and eyeline. Long black legs trail behind squared tail in flight. Webbing between toes is yellow. Alternates rapid, shallow wing beats with stiff-winged glides.
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Great Cormorant: Largest North American comorant. Black with bright yellow throat pouch bordered with white feathers. Expert swimmer, dives for fish, crustaceans. When wet holds wings in spread eagle position to dry. Strong direct flight with steady wing beats. Flies in V or straight line formation.
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Northern Lapwing: Large, unique plover with black breast, face, crown, and long upright head plumes; back is green-tinged purple and copper. Belly and sides are white, uppertail is white with a black tip, and undertail coverts are rich rufous-orange. Wings are dark with white tips; legs are pink.
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Audubon's Shearwater: Small, stocky seabird with dark brown upperparts and white underparts. Underwing coverts are white. Tail is dark brown with short, gray undertail coverts. Bill is dark and legs and feet are pink. Fish and squid make up most of its diet. Alternates rapid wing beats with glides.
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Red-tailed Tropicbird: Medium tropicbird with silky white plumage, small but conspicuous black eyestripe. Bill is coral red. Legs and feet are black. Tail has long, red central streamers. Swift, purposeful flight, alternates fluttering wing beats with glides. Hovers while hunting and in courtship.
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Eurasian Jackdaw: Small, black crow with glossy blue-black metallic sheen on back and shoulders. Nape and ear patches are gray, eyes are pale gray, and bill is short and pointed. Feeds on insects, amphibians, reptiles, rodents, eggs and young of other birds, seeds, fruits and berries.
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Brambling: Medium-sized finch with jet-black hood extending to upper back with orange shoulder patches, throat, and breast. Underparts are buff with black-spotted flanks. Wings are black with white and orange bars. Bounding flight, rapid wing beats alternating with wings at sides.
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Long-tailed Jaeger: Small jaeger with gray upperparts, white breast, gray belly. Black cap covers eyes, crosses chin and ends at yellow nape. Upperwings are dark-edged. Tail is gray with black edges and long, black streamers. Legs are blue-gray and toes are webbed. Hovers before dipping for prey.
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Little Stint: Medium sandpiper, scaled-brown upperparts, white underparts. Face, neck, breast are rust-brown with black spots. The back has white lines that form a V pattern in flight. Black bill, legs, feet. Feeds by pecking at surface and probing mud with bill. Direct flight with rapid wing beats.
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South Polar Skua Dark: Small, gull-like skua, occurs in two color phases. Dark phase adult has dark brown body, large white patch at base of primaries visible in flight. Dark bill, thick and heavy; short, broad tail. Light phase adult has pale gray-brown head and underparts. Strong direct flight.
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Pomarine Jaeger Dark Morph: Large jaeger, dark brown except for white patches near underwing tips and sides of undertail. Light morph has white neck, pale yellow collar, white lower breast, mottled breast band, sides. Thick bill, pale at base. Tail has two long central feathers twisted vertically.
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Herald Petrel: Medium petrel, three color morphs: light, intermediate, dark. Dark morph is dark gray overall, silver-gray to white base on underwing flight feathers. Light morph has white breast, belly and dark gray upperparts. Intermediate forms exist between light and dark morphs. Gray legs, feet.
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Fea's Petrel: Medium petrel, gray-brown upperparts, white belly. White breast with partial gray-brown breast band. Wings bend back at the wrist, have a dark M pattern across upperwings and lower back. Underwings are mostly dark. White face, dark mask around eyes. Gray tail, pale uppertail coverts.
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Purple Sandpiper: Medium sandpiper, upperparts are scaled gray-brown, crown is dark, and white underparts are streaked. Bill is dark with a yellow base and slightly decurved. Wings have large white stripes visible in flight; tail has dark central stripe above and is white below.
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Eurasian Curlew: Large curlew, strongly marked underparts lack rich orange or buff tones that other long billed curlews often show. Brown upperparts. Large, decurved bill, black upper mandible, lower mandible has pink base. In flight it shows prominent white lower back, rump, and underwing linings.
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White-tailed Tropicbird: A large bird, white with long black bar on upperwing coverts, outer primaries. Black loral mask which extends through and past eye. Bill is yellow to orange. Tail streamers are white and can be up to seventeen inches long. Legs and feet are yellowish, black webbing on toes.
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Fork-tailed Flycatcher: Medium-sized flycatcher with pale gray upperparts, black head, inconspicuous yellow crown stripe, and white underparts. Wings and spectacularly long, deeply forked tail are black. Wing linings are white. Swift flight with shallow wing beats. Feeds on insects.
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Black-capped Petrel: Large petrel with white underparts, dark brown to black back and upper wings, black cap, and white collar (this field mark is missing in some birds). Tail is long, dark, and wedge-shaped; underwings show broad dark margins. Hooked bill is dark, legs are pink. High arcing flight.
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Bermuda Petrel: Medium petrel, gray-brown upperparts shading to black on rump; white underparts except for dusky sides of upper breast. Base of tail has white band. White face, forehead. Black-brown cap goes to eyes. In flight shows black-gray upperwings, white underwings with black margins, tips.
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