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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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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 Vulture: Large raptor, black overall, short, featherless neck, pale bill, short and squared tail, long, pale gray legs and feet. Gray-black skin on head and neck is wrinkled. White-tipped wings, held horizontal in flight. Soars on thermals, must flap its wings more often than a Turkey Vulture.
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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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Bean Goose: Large goose, scaled brown upperparts, white underparts. Head, neck are dark brown. Black bill with yellow-orange saddle. Tail is dark with white undertail coverts. Legs and feet are orange. Feeds on plants, seeds, fruits. Strong direct flight on steady wing beats. Flies in V formation.
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Barnacle Goose: Medium goose, distinctive white face, jet-black head, neck, and upper breast. Wings and back are silver-gray with black-and-white bars. Belly is white. V-shaped white rump patch and silver-gray underwing linings are visible in flight. Black bill,legs and feet. Strong direct flight.
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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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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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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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Black-tailed Godwit: Large, tall godwit with black-barred, orange-brown body. orange-brown head and neck, and white mark between eye and bill; combination of prominent white rump, white wing bar, and pure white underwings is unique among the godwits. Black-tipped yellow bill is long and straight.
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Black Oystercatcher: Large stocky brown-black shorebird with long,bright orange bill and glaring yellow eyes with contrasting orange eye ring. The legs and feet are pink. Feeds primarily on limpets and other shellfish, also eats mussels and marine worms. Rapid direct flight with shallow wing beats.
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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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Black-bellied Whistling-Duck: Large, colorful duck with bright red bill, pink-red legs and feet. Shows white wing patch, black belly, reddish-brown breast, neck and back. Face, foreneck are gray, white eye ring. Feeds on aquatic plants, cultivated grains, seeds. Direct flight on rapid wing beats.
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Black-billed Magpie: Large, noisy jay, mostly black, with very long tail and dark, stout bill. Wings and tail are iridescent blue and green-black. White belly and sides. Eats insects, larvae, carrion. Direct flight on shallow, steady wing beats. Often glides between perches or from perch to ground.
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Black-crowned Night-Heron: Medium-sized, stocky heron with short neck and legs, black upperparts, gray wings, and white to pale gray underparts. Stout black bill, red eyes, and yellow legs. Feeds on small invertebrates, crustaceans, vertebrates, mammals, eggs and young of other birds, and plants.
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Barred Owl: Medium, large-headed owl with large, brown eyes, concentric rings around pale face, no ear tufts. Upperparts are brown with white markings. Underparts are white with dark bars on breast and dark streaks on belly. Heavily streaked, spotted, and variegated brown, white, and buff overall.
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Barn Owl: Medium-sized owl with glaring white, heart-shaped facial disk, no ear tufts, and long legs. Upperparts are orange-brown with fine white spots and dark bars. Underparts are white with small black spots. Feeds primarily on small mammals, also takes small birds. Slow silent mothlike flight.
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Broad-winged Hawk: Medium hawk, dark brown, mottled upperparts and brown-barred, white underparts. Pale underwings with black margins visible in flight. Tail is dark banded. Feeds on amphibians, reptiles, small mammals and birds, large insects. Flap-and-glide flight, soars on thermals and updrafts.
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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.
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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.
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Brant: Small goose, dark brown upperparts and brown-barred, pale gray underparts. Head is black; short black neck has partial white ring. Tail and vent are white. Western race, formerly known as the Black Brant, is darker. Heavy direct flight with strong wing beats. Flies in straight line formation.
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