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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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Mottled Petrel: Medium-sized petrel, mostly gray with mottled white markings. Face is gray and white and, throat, upper breast, and undertail are white. Wings have distinct black bars on white undersides. Feeds on small squid and fish. Alternates high soaring arcs and gliding with rapid wing beats.
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Murphy's Petrel: Large petrel, overall gray or gray-brown body and pale throat. Underwings have pale bars. Legs and feet are pale, toes have black distal webbing. Bill is black. Feeds on squid and crustaceans. Swift flight, alternates several rapid wing beats with long glides. Does not follow ships.
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Ashy Storm-Petrel: Small seabird, gray-black overall, dark bill, forked tail. Gray wash on underwing coverts are visible at close range. Legs and feet are dark gray. Unlike most storm-petrels, it doesn't travel far from colonies after breeding. Flight is fluttering and direct on shallow wing beats.
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Stejneger's Petrel: Small petrel with gray-brown upperparts, dark gray rump, white underparts. Black head, nape, bill. White face. Gray-brown upperwing, black greater coverts and outer primaries forming an M pattern across lower back. Legs and feet are blue-gray. Gray-brown tail mottled with white.
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Wedge-tailed Shearwater Dark Morph: Large shearwater, dark brown overall with black-tipped, dark gray bill. Tail is long and pointed in flight and extends past the pink legs and feet, fans to wedge-shaped when banking turns or landing. The dark morph form is most often seen off the Pacific Coast.
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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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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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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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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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Aleutian Tern: A medium tern, with white forehead, black cap, bill, and legs, gray under and upperparts, white rump and tail. Undertail coverts, cheeks, and area below cap are white. Wing projects beyond tip of tail at rest. Strong direct flight with deep wing beats, often high above water.
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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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Cook's Petrel: Small petrel, slate-gray back and upperwings marked by a distinctive black M pattern. Underparts, underwings are white. Face is white with small, dark mask. Wings are long and slender. Tail is gray, black-tipped central feathers and white edges. Black bill, blue-gray legs and feet.
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Dark-rumped Petrel: Medium petrel with dark slate-gray upperparts and white underparts. Sides of neck and underwing margins are dark. Bill is relatively short, black, and hooked. Legs and feet are pink-brown. Tail is white and wedge-shaped. Feeds on suqid, crustaceans, and fish. AKA Galapagos Petrel.
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Short-tailed Shearwater: Medium shearwater with dark brown body and occasional traces of white in the center of upperwings. Bill is short and dark. Feet are dark gray and trail slightly behind tail in flight. Tail is rounded. Alternates strong flaps with long glides, often soars for long periods.
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Wedge-rumped Storm-Petrel: Small storm-petrel, black-brown overall with large white patch on rump and central tail. Bill, legs, and feet are black. Feeds far out to sea. Flight is swift and direct, with deep wing beats and much banking and twisting. Often flies high above the surface of the water.
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Wilson's Storm-Petrel: Small storm-petrel, mostly brown-black body, pale brown wing bands, large, conspicuous white rump. Wings are short and rounded. Feet extend past tail in flight. Smallest and most commonly seen storm-petrel off the Atlantic Coast. Direct flight with steady, shallow wing beats.
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Black Storm-Petrel: Small seabird, brown-black overall with long, dark wings showing pale bar on upper side, and forked tail. The hooked bill is dark and has a tube on top. Legs and feet are black. Flight is mothlike with deep, steady wing beats. Comes closer to shore than most other storm-petrels.
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Bulwer's Petrel: Medium petrel, dark brown overall, pale diagonal bars across secondary coverts. Long tail is usually held in a point; wedge shape visible when fanned. Bill is black and hooked. Legs and feet are black. Feeds on squid, plankton and small fish. Picks food from surface while in flight.
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Manx Shearwater: Small shearwater with brown-black upperparts and white underparts, underwings and undertail coverts. Black cap is darker than back. The bill is dark. Wings are long, slim, and straight. Tail is short and pointed. Feeds on fish and squid. Alternates long glides and rapid wing beats.
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Great-winged Petrel: Large petrel with brown-black body except for pale gray forehead, face, chin, and throat. Bill is black and stout. The legs and feet are black. Feed on fish, squid and crustaceans. In New Zealand it is also known by its Maori name oi and as a muttonbird. AKA Grey-faced Petrel.
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Streaked Shearwater: Large shearwater with scaled, dark gray-brown upperparts, white underparts. White head has variable light to heavy pale brown streaks. Uppertail coverts can be white, forming a pale "horseshoe." The forehead is white. Bill is pale. Legs and feet are pink. Eats small fish and squid. Flies with loose, angled wings. Light, graceful flapping and gliding.
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Flesh-footed Shearwater: Large, bulky shearwater with dark brown body, darker head and tail. Bill is large and pink with a dark tip. Wings are dark with brown-edged coverts that become paler with wear. Legs and feet are pale pink. Slow flight, alternates stiff-winged flapping and gliding near water.
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Buller’s Shearwater: Medium shearwater, gray upperparts, white underparts. Head has white face, black cap, black bill. Tail is black. Legs and feet are pink. Dark gray M-pattern is visible across upperwings and back in flight. Alternates deep steady wing beats with long glides. Soars in high winds.
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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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Red-legged Kittiwake: Small Alaskan gull white overall with gray back and wings, small yellow bill and bright red legs. Black wingtips. Eats small fish, squid, and marine zooplankton. Graceful, bouyant flight with rapid, shallow wing beats. Hovers briefly above prey before dipping down to sieze it.
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Ross's Gull: The pink gull of the high Arctic. Small gull, pale gray upperparts, gray-white nape, white neck with thin black collar, and white, wedge-shaped tail; underparts are variably pink. Black bill is very short; legs, feet are orange-red. Often feeds on mudflats like a wader.
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Sandwich Tern: Only medium-sized tern with long slender black bill tipped with yellow; upperparts are very pale gray, nearly white, and underparts are white. The black crown has a short black crest. White tail is deeply forked; legs and feet are black. Direct flight, hovers before diving for fish.
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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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Ivory Gull: A pure white gull whose entire life is restricted to the edge of the floating pack ice. Legs dark, bill dusky with yellow tip. It eats fish, insects, lemmings and crustaceans, and is also an active scavenger. Bouyant, graceful flight. Often flies with feet trailing and dangling below.
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Little Shearwater: Tiny shearwater, dark brown upperparts and white underparts; dark cap extends only to eye. Bill is short and black. Swims and dives for food, picks food off surface of water. Feeds on fish and squid. Flight is low, fast and straight, alternates rapid wing beats and banking glides.
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Black-browed Albatross: White head, neck, underparts, and black back, tail. Yellow bill with red tip, pale pink-gray legs and feet. Easily identified by black tail, stiff wing beats and long narrow pointed wings. Soars effortlessly for long periods of time, may circle and glide for long distances.
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Belcher's Gull: Formerly known as the Band-tailed Gull. Has a mostly white body with black back, distinctive black tail band, yellow legs, feet. Black wings with white trailing edges. Yellow bill; lower mandible tipped with red, upper mandible tipped with black. Strong direct flight.
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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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Yellow-footed Gull: Large, dark-backed, white gull with distinctive yellow legs. Bulbous bill is yellow, red spot near tip of lower mandible. Upper wings are dark gray with white spots near tips, white trailing edges. Strong, direct flight with deep, steady wing beats. Rides thermals and updrafts.
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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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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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Brown Noddy: Medium tern, brown except for white forehead blending to gray nape, and small white (lower) half-eye ring. Wedge shaped tail has small notch at tip. Black bill is long, slender. Black legs, feet. Strong, swift flight with steady wing beats. Often flies with erratic changes of direction.
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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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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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Black Noddy: medium-sized tern, very dark brown-black with white cap, white (lower) half-eye ring, and long slender bill. The wedge shaped tail has small notch at tip. Black legs and feet. Strong, swift and fluttering flight. Typically flies close to the surface of the ocean. AKA White-capped Noddy.
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Black-tailed Gull: Large gull with white head, neck, breast, and underparts; light charcoal-gray wings and back; large yellow bill with black ring above red tip; pale yellow eyes with red orbital ring; short yellow legs and feet; long wings; telltale short black tail with white edge.
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Bridled Tern: Medium pelagic tern. Black crown, nape separated from gray-brown upperparts by whitish collar. Chevron-shaped white forehead patch extends behind eye. Long pointed wings and deeply forked tail. Whitish underparts; underwings have brown trailing edge. Black bill, legs.
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Slaty-backed Gull: Large gull, slate-gray back, upper wings; dark outer primaries separated from mantle by row of white spots. Gray underside of primaries; broad white trailing edge to wings. Bright pink legs, feet. Yellow eyes with red orbital ring. Yellow bill has red spot near tip.
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Sooty Tern: Medium-sized tern with long wings, deeply forked tail, black crown, nape, and upperparts, and a broad triangular white forehead patch. Underparts are white; upper tail is black with white outer edges. Direct flight with strong, shallow wing beats. Hovers before dipping for prey.
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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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Kelp Gull: Large, stocky gull with white head, underparts, tail. Black back and upperwing with white trailing edge and one distinctive white spot on outer primary tip. Bill is yellow with a red spot near tip; eyes are yellow-gray with red orbital rings; legs and feet are yellow-green.
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Large-billed Tern: Dark gray mantle and short dark gray tail; black cap; white breast, belly, chin, cheeks, and throat; black primaries to the bend of the wing are striking in flight; white secondaries; distinctive large yellow bill. Yellow legs, feet. Direct flight with strong shallow wing beats.
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Roseate Tern: White below with slight, variable pinkish cast visible in good light; pale gray above with black cap, nape and deeply forked tail that projects well beyond wingtips at rest. Bill mostly black with some red at base; legs and feet are red-orange. Graceful, direct flight.
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Least Storm-Petrel: Small, very rare storm-petrel with dark black-brown body and short, wedge-shape tail. The wings have black wing tips and pale brown diagonal bars visible in flight. It is the smallest Pacific storm-petrel. Flight is swift and direct on deep wing beats. Often flies low over water.
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Elegant Tern: Medium tern, pale gray upperparts, white underparts may have pink tint. Black cap has shaggy crest; orange or red-orange bill is long, slightly decurved. Outermost primaries have faint black smudges. Tail deeply forked, legs are black. Hovers above water before diving.
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Forster's Tern: Medium tern, pale gray upperparts, black cap, white underparts. Bill is orange, black tip. Wings are pale gray with paler primaries. Tail is pale gray, deeply forked with dark inner edge, white outer edge. Orange legs, feet. Hovers above water before diving for prey.
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Franklin's Gull: Medium gull, gray back, white underparts. Head is black, white eye-ring; bill is orange, black spot near tip. Wings are short with white-bordered or spotted black tips. The legs are red-orange. Strong direct flight with deep wing beats. Soars on thermals and updrafts.
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Bonaparte's Gull: Medium gull with black head and bill, gray back and wings, white underparts and tail. White outer primaries with black trailing edges are visible in flight. Legs are red-orange. Catches fish by wading and diving. Light and direct flight with rapid wing beat, ternlike.
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Caspian Tern: Large, stocky tern with pale gray upperparts, white underparts. Cap is black and may appear weakly crested; large bill is coral-red. Undersides of primaries are gray. Tail is white, relatively short, and slightly forked; legs are black. Hovers above water before diving.
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Common Tern: Medium tern, medium gray upperparts, pale gray underparts, glossy black cap and nape. Wings are dark-tipped and have dark leading edge on forewing. Red bill is black-tipped. Legs are red and tail is deeply forked and elongated. Direct flight, hovers above water before diving for prey.
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Laysan Albatross: Large seabird with dark brown back and white head, neck, and rump. Eye patch is dark. Bill is thick and yellow with gray, hooked tip. Wings are dark brown above and white below with irregular brown-black borders. Tail is dark brown-black with white coverts. Legs and feet are pink.
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Least Tern: Small tern, slate-gray upperparts, white underparts. Crown, nape are black and forehead is white. Black leading edge of outer wing conspicuous in flight. Tail is forked. Bill and feet are yellow. Fast smooth flight with rapid wing beats. Hovers briefly before dipping down to sieze prey.
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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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Heermann's Gull: Medium-sized gull with gray underparts and dark gray upperparts. Head is white and bill is bright red with black tip. Tail is black and edged with white. Legs and feet are black. Dives into ocean to catch fish. Also steals and scavenges. Flight is bouyant and direct.
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Herring Gull: Large gull, pale gray back and wings with black tips, white head, neck breast. White tail and underparts. Bill is yellow with red spot near tip; legs are pink. Strong steady flight with deep wing beats. Soars on thermals and updrafts. Most widespread North American Gull.
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Iceland Gull: Large, white gull, pale, pearl-gray back and upper wings. Bill is yellow, red spot at tip of lower mandible. Wing tips sometimes marked with pale to dark gray. White tail; legs and feet are pink. Direct flight with strong deep wing beats. Soars on thermals and updrafts.
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California Gull: Moderately large gull, white body, gray wings, black wing tips. Bill is yellow with red and black spot near tip of bill on lower mandible. Legs are yellow; eye is dark with red orbital ring. Strong direct flight with deep wing beats. Soars on thermals and updrafts.
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Glaucous-winged Gull: Large gull with gray upperparts and white underparts, head, and neck. Eyes are dark. Bill is yellow with red spot on lower mandible. Wings are gray with white edges and spots near the tips. Legs and feet are pink. Powerful direct flight, often soars on thermals.
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Western Gull: Large gull, gray upperparts, white head, neck, tail and underparts. Yellow eyes. Bright yellow bill with red spot near tip; Pale pink legs and feet. Gray upper wings, white-edged with white-spotted black tips. Direct flight, strong, steady wing beats, soars on thermals.
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Ring-billed Gull: Medium gull with gray upperparts and white underparts. Head is white and bill is yellow with black ring near tip. Wings are gray above, tipped black with white spots, and white below. Yellow legs and feet. Strong direct flight on deep wing beats, soars on thermals.
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Mew Gull: Medium-sized gull with gray back and upperwings, and white head, neck, breast, and belly. Bill is bright yellow. Wings have white-spotted black tips; tail is white. Feet and legs are dull yellow. Graceful, bouyant flight. Undulating, with several rapid wingbeats and a pause.
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Glaucous Gull: Large, white gull with pale gray back. Eyes are yellow. Bill is yellow with red spot on lower mandible. Wings are white-edged and white tipped. Legs and feet are pink. An active predator of seabird nesting colonies. Slow, steady wing beats. Soars on thermals and updrafts.
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Black Tern: Small tern with black head, bill and underparts. Back, wings, and tail are silver-gray. Vent is white; legs and feet are dark red but may appear black. Bouyant direct flight with deep rapid wing beats, hovers for insects. Uneven foraging flight. Plunge dives on occasion.
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Black-footed Albatross: Large seabird with long wings, gray-black body, and white ring around face at base of bill. Uppertail coverts are pale gray. Most have dark undertail coverts, some have white undertail and belly. The most frequently sighted albatross off the Pacific Coast of North America.
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Black-legged Kittiwake: Medium-sized white gull with pale gray back and upperwings and black wing tips. Bill is yellow, legs and feet are black. Swift graceful flight, alternates several rapid shallow wing beats with a glide. Often hovers over water before diving for prey at surface.
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Magnificent Frigatebird: Large black seabird, orange throat patch inflates into a huge bright red-orange balloon when in courtship display. Long bill is gray, hooked. Wings are long and narrow. Tail is forked; legs and feet are dark gray. Eats fish, crustaceans, jellyfish. High soaring flight.
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Arctic Tern: Medium, slim tern with gray upperparts, black cap, white rump and throat, and pale gray underparts. Tail is deeply forked and white with dark edges on outer feathers. Bill is dark red, rarely tipped with black. Legs and feet are red. Bouyant graceful flight with steady wing beats.
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Black Skimmer: Odd-looking, tern-like bird with black upperparts and white underparts. Bright red bill with black tip, lower mandible longer than upper. Long, slim wings are dark above and silver-gray below. Tail is white with black central feathers. Legs, feet are red. Direct flight.
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Parasitic Jaeger Dark Morph: Medium jaeger with brown body, darker cap, and pale underwing patches near tips. Pale form has white underparts with brown breast band; intermediates between dark and light morphs occur. Diamond-shaped tail has elongated, pointed central feathers. Black bill, legs, feet.
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Masked Booby: Large seabird with white body, black trailing edge on wings, pointed black tail. Head has black mask and long, pointed, yellow bill. Legs and feet are yellow-gray. Plunge dives from 40 feet for small squid and flying fish. Alternates strong rapid wing beats with glides.
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Brown Booby: Large, gull-like seabird, mostly dark brown with white underwing coverts, belly, and vent. Blue-gray bill. Yellow legs and feet. Plunge dives from 30-50 feet. Feeds on parrot fish, flatfish, mullets, halfbeaks and other fish. Alternates strong rapid wing beats with glides.
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Black-vented Shearwater: Medium shearwater, brown-black upperparts, white underparts, brown mottling on sides of breast and flanks. Dark cap extends below eye. Tail is dark. Eats fish, crustaceans, and squid. Quick low flight with short stiff wingbeats followed by glide. Soars in high winds.
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Thayer's Gull: Large gull, gray upperparts, white head, tail, underparts. Bill is yellow with red spot near the end of the lower mandible. Wings are gray with white-spotted, dark gray tips. Legs are dark pink. Direct flight, strong, steady wing beats, soars on thermals or updrafts.
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Blue-footed Booby: Large, gull-like seabird with white body, brown wings and brown-streaked head and back. The blue-gray bill is long and stout. Legs and feet are powder blue. Plunge dives for fish from 50 feet above shallow water. Alternates rapid, deep wing beats with sailing glides.
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Red-footed Booby: The black-tailed white-morph is a small booby with white head, body, tail. Pale blue face has pink-based, pale blue bill. Flight feathers are black. Bright red legs, feet. Brown form is brown overall with darker flight feathers. Strong steady wing beats with glides.
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Pink-footed Shearwater: Large shearwater, gray-brown upperparts, white underparts, mottled brown flanks and undertail coverts. Head is gray-brown and pink bill is tipped with black. Flight feathers are dark-bordered and underwing coverts are mottled gray. Alternates slow wing beats with low glides.
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Sooty Shearwater: Large shearwater with dark gray-brown body, darkest on tail and primaries. Underwing coverts are pale. Bill is long and dark. Legs and feet are black. Eats fish, squid and crustaceans. Long, narrow wings are slightly swept-back. Alternates strong direct flapping with long glides.
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Fork-tailed Storm-Petrel: Medium storm-petrel, blue-gray upperparts, pale gray underparts. Forehead is dark gray, eye patch is gray. Primaries are darker gray than other flight feathers. Forked tail, feathers are narrowly white-tipped. Alternates rapid, shallow wing beats and stiff-winged glides.
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Northern Fulmar Light Morph: Large gull-like bird with gray upperparts and white underparts, head, neck, and tail. Dark morph has uniformly dark gray body and paler primaries. Bill is short, thick, and yellow with a tube on top. Flight alternates stiff wing beats with periods of gliding and banking.
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Greater Shearwater: Large shearwater, scaled, gray-brown upperparts, white underparts, brown markings on belly. Dark cap contrasts with white face. Tail is dark above with conspicuous white rump band and gray below. Dark, hooked bill. Pink legs, feet. Flies on deep wing beats followed by long glide.
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Leach's Storm-Petrel: Medium storm-petrel with dark brown body and white rump and undertail feathers. Wings are dark with pale gray-brown bar on upperwings. Long tail is dark and forked. Bill, legs, and feet are black. Its flight is bounding and erratic, with frequent changes of direction and speed.
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Short-tailed Albatross: Largest and only white-bodied albatross in the North Pacific. The head and nape have a golden-yellow cast. White wings have black edges and tips. Tail is white with black fringe. Legs and feet are pink-gray. AKA Steller's Albatross. Almost became extinct in late 19th century.
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Shy Albatross: Large seabird with white body and gray back. The bill is gray with a yellow tip and base. Underwing is white with diagnostic narrow black margin. Tail is gray. Legs and feet are pink. Soaring flight on stiff, slightly drooped wings. Often interuppted with several slow deep 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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Royal Tern: Large tern, pale gray upperparts; white face, neck, and underparts. Head has spiky, black crest and cap, and heavy, bright orange bill. Wings are black-tipped above and black-edged below; tail is deeply forked. Legs and feet are black. Hovers before plunge diving for prey.
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Sabine's Gull: Small gull with gray back and white nape, rump, and underparts. Hood is solid black and eye-ring is dark red. Bill is black with yellow tip; legs and feet are black. The upperwings are gray with black primaries and white secondaries. Tail is slightly forked when folded.
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Laughing Gull: Medium gull, gray back, white underparts. Head has black hood, neck is white, and bill is red. Wings are gray and white-edged and black at tips; tail is white. Legs and feet are black. Slow flight with deep wing beats. Soars on updrafts. Named for its laughterlike call.
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Lesser Black-backed Gull: Medium-sized gull with dark gray back and wings. Head, neck and underparts are white. Rump and tail are white. Bill is yellow with red spot near tip. The wings have dark tips with white spots; legs and feet are yellow. Eyes are yellow with red orbital rings.
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Little Gull: The smallest of all gulls, with pale gray upperparts and white nape, neck, breast, belly, and tail. Hood is black and extends onto upper neck. Underwings are dark. Bill is dark red with black tip. Legs and feet are red-orange. Strong direct flight with deep wing beats.
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White-winged Tern: Small tern, black head, body, and underwing coverts; white rump, vent, upperwing coverts, and tail; flight feathers are pale gray. Bill is dark red to black; Red legs and feet. Fluttering, uneven flight with slow, shallow wing beats. Hovers before dipping for prey.
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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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Black-headed Gull: Medium-sized gull with pale gray back and upperwings and dark brown face and partial hood. Nape, neck, breast, belly, and tail are white. Bill and legs are dark red. Wings have white triangular panel formed at the leading edge of black-tipped primaries in flight.
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