Tips for using Browse:

Browsing is a valuable way to learn about birds, however it is a brute force approach and not designed for identification. A more sophisticated approach to finding a bird with specific field marks is to use the Step by Step Search. You can also try the Wizard to find a bird, which uses a question and answer approach, but again it does not give you the flexibility of the Step by Step Search.

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Black Scoter
Black Scoter: Medium diving duck, entirely black except for yellow knob at base of black bill. Legs and feet are black. The male is the only all black duck in North America. Dives for food, primarily eats mollusks. Strong direct flight with rapid wing beats. Flies in straight line and V formation.
Barrow's Goldeneye
Barrow's Goldeneye: Medium diving duck with black upperparts, contrasting white shoulder bars, white underparts. Head is large, glossy, and purple-black with golden yellow eyes and a crescent-shaped white patch behind a dark bill. White wing patches are visible in flight. Yellow legs and feet.
Black-footed Albatross
Black-footed Albatross: This large seabird has long wings, a gray-brown body, a white ring around the face at the base of the bill and pale gray upper tail coverts. Most have dark under tail coverts, some have a white under tail and belly. Highly-variable seasonal plumage. Most frequently sighted off the Pacific Coast of North America. Dynamic soaring. Glides for hours. Feeds mainly on squid and fish. Sexes are similar.
Black-legged Kittiwake
Black-legged Kittiwake: This is a medium-sized white gull with pale gray back and upperwings and black wing tips. The bill is yellow and the legs and feet are black. It has a swift, graceful flight, alternating several rapid shallow wing beats with a glide. Hovers over water before diving for prey at the surface. It feeds on marine invertebrates, plankton and fish. The sexes look very similar.
Blue-footed Booby
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.
Brown Booby
Brown Booby: This large seabird is mostly dark brown with white under wing coverts, belly and vent. It has a blue-gray to yellow bill and yellow legs and feet. To acquire food, it plunge dives from 30 to 50 feet. It feeds on parrot fish, flatfish, mullets and other fish. It has alternating strong rapid wing beats and glides. The sexes are similar.
Black-vented Shearwater
Black-vented Shearwater: Medium shearwater, brown-black upperparts, white underparts, brown mottling on sides of breast and flanks. Tail is dark. Eats fish, crustaceans, and squid. Quick low flight with short stiff wingbeats followed by glide. Soars in high winds.
Black Storm-Petrel
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.
Buller's Shearwater
Buller's Shearwater: This medium-sized bird has gray upperparts and white underparts. The head has a white face and black cap. The bill and tail are black. The legs and feet are pink. A dark gray M-pattern is visible across the upperwings and back in flight. It rotates deep steady wing beats with long glides. It soars in high winds. It feeds on krill, small fish, and jellyfish. The sexes are similar.
Bulwer's Petrel
Bulwer's Petrel: This medium-sized petrel is dark brown overall with pale diagonal bars across secondary coverts. The long tail is usually held in a point; wedge shape visible when fanned. It has a black hooked bill and black legs and feet. Feeds on squid and small fish. It picks food from the surface while in flight. Makes a series of stiff flaps before each short twisting glide. Sexes are alike.
Bermuda Petrel
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.
Black-capped Petrel
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.
Black Noddy
Black Noddy: Medium-sized tern, very dark brown-black with white cap, white (lower) half-eye ring, and long slender bill. Wedge shaped tail has small notch at tip. Sexes are similar. Juvenile appears more brown, white cap is more distinct.
Bridled Tern
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.
Brown Noddy
Brown Noddy: This medium-sized tern is brown except for the white forehead blending to a gray nape and a small white lower half-eye ring. Its wedge shaped tail has a small notch at the tip. It has black legs and feet and a long slender bill. It has a strong swift flight with steady wing beats. It often flies with erratic changes of direction. It feeds mainly on fish and squid. The sexes are similar.
Barolo Shearwater
Barolo 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. Formerly called the Little Shearwater. Name changed to Barolo Shearwater in 2014 by the American Ornithologist Union.
Band-rumped Storm-Petrel
Band-rumped Storm-Petrel: This is a black-brown storm-petrel with gray-brown wing bars and a conspicuous white band across the rump and large, slightly notched tail. It has a black bill, legs and feet. It has a buoyant, zigzag flight, alternating several rapid wing beats. It feeds on invertebrates, small vertebrates and sometimes carrion from the water's surface. The sexes are similar.
Black-browed Albatross
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.
Belcher's Gull
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.
Black-winged Petrel
Black-winged Petrel: This petrel is medium-sized with dark gray around the eye, upperwings black with gray secondaries, underparts white with narrow gray band across upper breast, underwing white with black edging. It has a stout, short black bill and pink legs and feet with black toes. Flight has rapid wing beats with glides and soaring arcs. The diet is mainly comprised of squid and prawns.
Blue-gray Noddy
Blue-gray Noddy: This small seabird has pointed wings, a short, slightly forked tail and a white partial eye ring. It has a short black dagger-like bill and black legs and feet. It is pale gray, darker gray on the back and rump, brown-gray on upper wings, and black-gray on primaries. It flies with rapid wing-beats near the surface of the water. It feeds on tiny fish, squid and small crustaceans.
Bonin Petrel
Bonin Petrel: This small seabird has a short, slightly hooked bill with a short tube on the top. It has gray upperparts, a gray neck side and a white front and underparts. Upper wings are black-gray, and under wings are white with black-gray leading and trailing edges. It has pink legs and feet and an agile flight with rapid wing beats. It mainly feeds on lantern fish and hatchet fish.
Black-naped Tern
Black-naped Tern: Small, white tern with pale gray back and wings, and black line that extends from the eye back to black patch on the nape. Long, pointed wings have black line on outermost primary. Fairly long, forked tail. Sexes similar. Juvenile is like adult but has some black scaling on back, black shoulders, and bill tends to be shorter,
Brown Booby (Palau)
Brown Booby (Palau): Large seabird with medium, yellow to blue-gray bill, blue to yellow facial skin, and medium, wedge-shaped tail. Sexes are similar; black-brown above, and on breast. White on rest of underparts and wing linings. Medium, green-yellow legs and webbed feet. Juvenile like adult but has black-brown bill, and little or no white on underparts.
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