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White-throated Robin: Large thrush, brown upperparts, gray underparts, white undertail coverts. Darker head has thin, yellow eye-ring. Bill is dark gray to yellowish. Brown-streaked white throat is bordered below with thick white crescent. Direct, swift flight on rapidly beating wings.
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White-winged Crossbill: Medium crossbill, bright pink overall except for black wings with two bold white wing-bars. Belly has dull white center; white undertail coverts. Black tail, deeply notched. Swift bounding flight, alternates rapid wing beats with wings pulled to sides.
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Wild Turkey: Large, ground-walking bird, iridescent dark brown overall with black and green bars, small, featherless, blue head that changes color according to mood, and red throat wattles. Breast beard (modified feathers) is black. The legs have spurs. It is the largest game bird in North America.
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Whip-poor-will: Medium-sized nightjar with gray-brown-black mottled upperparts and pale gray-black underparts. Throat is black; eyebrows and neckband are white. Tail is long and rounded with large white corner patches. Brown legs and feet. Erratic mothlike flight, flies close to the ground at night.
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White-eyed Vireo: Medium-sized, secretive vireo with olive-green upperparts, and white underparts with yellow sides and flanks. Spectacles are pale yellow and iris is white. Wings are dark with two white bars. Legs and feet are gray. Flight is fast and direct on short, rounded wings.
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Wood Thrush: Medium thrush, rust-brown upperparts, white underparts with heavy dark brown spots. Eye-rings are white. Black bill has creamy pink base on lower mandible. In the early 1900s, its range began to expand north, forcing the Veery and Hermit thrushes to find another habitat.
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White-throated Sparrow: Medium-sized sparrow with rust-brown striped upperparts, conspicuous white throat, and plain gray underparts. Head has black-and-white striped crown and yellow spots between eyes and bill. Short flights, alternates rapid wing beats with wings pulled to sides.
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Western Spindalis: Small tanager, black-gray back, dark rufous nape, rump. Throat patch is yellow, bib is red-black, breast and collar are yellow-orange, belly is white. Head is black-and-white striped. Dark gray bill. Wings are dark with white patches. Tail is black with white edges.
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White-winged Parakeet: A medium-sized parakeet, green overall with yellow-and-white wing patches, and pale, teardrop-shaped eye-ring. The green tail is long and pointed. Hooked bill varies in color from yellow-pink to olive-brown. Legs and feet are pink-gray. Swift direct flight on rapid wing beats.
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White-crowned Pigeon: Large dove, slate-gray overall with conspicuous white crown. Scaled nape is iridescent green when seen in good light. Iris is white.Yellow bill has red base. Legs and feet are red. Eats berries, seeds and insects. Swift direct flight with strong rapid wing beats.
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White-tipped Dove: Medium dove, gray-brown upperparts, pale gray breast, white forehead and belly, chestnut-brown underwings, white-tipped tail. Black bill, red legs and feet. Feeds mainly from the ground. Walks on ground in dense understory. Swift direct flight with rapid wing beats.
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Wood Sandpiper: Medium, long-legged sandpiper with dark gray-brown upperparts and breast heavily marked with white spots and notches. Underparts are white; legs usually green, but may be yellow and lead to confusion with Lesser Yellowlegs. Underwings pale gray; rump is white with black-barred tail.
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White-throated Needletail: Large swift, gray-brown overall with white throat and undertail. Wings are glossed with green. Tail is short and square, with protruding feather shafts giving a spiked appearance. Very swift flight with several rapid wing beats followed by swooping glides.
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White-eared Hummingbird: Medium hummingbird, iridescent green upperparts and throat, metallic violet head, black mask, white stripe with lower black border behind eye, and white belly. Bill is red with black tip. Feeds primarily on nectar. Direct, hovering flight with rapid wing beats.
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Wilson's Warbler: Small warbler with olive-green upperparts, bright yellow face and underparts, distinct black cap. It has a long, olive-brown tail which it moves up and down, or in a circular fashion, as it searches for food. It is more common in the West than in the East. Legs and feet are pink.
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Winter Wren: Tiny wren with barred, dark brown upperparts and pale eyebrows. Brown underparts heavily barred on flanks, belly, and undertail. Tail is short. Bill is dark brown. Legs and feet are brown. Only member of the wren family found outside the Americas, occuring in Europe, Asia, and Africa.
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White-crowned Sparrow: Medium-sized sparrow with brown-streaked upperparts, small white throat patch, and plain gray underparts. The white crown has distinct black lines. Wings are brown with two pale bars. Short flights, alternates rapid wing beats with brief periods of the wings pulled to sides.
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Western Bluebird: Small thrush with deep blue hood and upperparts, crescent mark across upper back, red-brown breast, and white belly. Bill, legs and feet are black. Populations are declining due to competition for nest sites with European Starlings, Tree Swallows and House Sparrows.
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Warbling Vireo: Small vireo, gray to olive-gray upperparts, white underparts; sides sometimes washed with yellow. Eyes are dark brown, have thick, white eyebrows and faint, dark eye-lines. Gray wings and tail. Legs and feet are blue-gray. Has the largest breeding range of any North American vireo.
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Western Tanager: Medium-sized tanager with brilliant red head, bright yellow body, black back, wings, and tail. Wings have two bars: upper bar is yellow, lower bar is white. Legs and feet are gray. Swift direct flight on rapidly beating wings. It was first recorded on the Lewis and Clark expedition.
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White-headed Woodpecker: Medium-sized woodpecker, mostly black with large white wing patches. Head and throat are white; nape patch is red and narrow. Small black stripe behind the eye. Bill is black and small. Legs and feet are black. This is the only North American woodpecker with a white head.
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Williamson's Sapsucker: Medium-sized woodpecker with black back and white rump. Bright red throat, breast is black, belly is yellow, and flanks are barred black-and-white. Black head has two white facial stripes. Black wings have large white shoulder patches. Tail is black, legs and feet are gray.
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Whiskered Screech-Owl: Small owl with distinct ear tufts, gray and brown mottled upperparts, and brown-streaked, white-barred underparts. It is named for its facial whiskers, which are longer and denser than in other screech owls. Eyes are yellow. Flight is mothlike with rapid, silent wing beats.
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Western Screech-Owl: Small owl (kennicotti), distinct ear tufts, brown- or gray-mottled upperparts, white shoulder spots, streaked, barred underparts. Lightly mottled facial disk, has prominent dark rim. Yellow eyes, dark gray bill. Until recently considered the same species as Eastern Screech-Owl.
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Western Scrub-Jay: Medium, crestless jay, blue head, wings, tail, gray mask, back, pale gray underparts. Dark-streaked, white throat bordered by dark necklace. Bill, legs, feet are black. Eats grains, fruits, insects, frogs, lizards and eggs and young of other birds. Flies with steady wing beats.
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Willow Flycatcher: Small flycatcher, brown-olive upperparts, white throat contrasting with paler breast, white to pale yellow belly. Head has darker cap, faint white eye rings. Dark wings with two white bars. Feeds on insects, spiders, berries. Weak fluttering flight with shallow rapid wing beats.
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White-breasted Nuthatch: Large nuthatch, blue-gray upperparts, black crown and nape, and white face, underparts. Tail is dark with white corners. Legs and feet are black. Eats spiders,insects, nuts and seeds. Weak fluttering flight, alternates rapid wing beats with periods of wings drawn to sides.
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White-tailed Hawk: Large hawk, dark gray upperparts and head, distinct brown wash on shoulders and back, and white rump. Breast is white; belly and undertail are white with inconspicuous, fine bars. Wings are dark gray above, paler below. Tail is white, broad black band near tip. Yellow legs, feet.
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White-winged Dove: Medium-sized, stout dove with gray-brown upperparts, gray underparts, and small, back crescent below eye. The wings are dark gray with broad white stripes. Tail is short and brown with white corners. Bill is gray. Legs and feet are red. Fast direct flight with rapid wing beats.
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Western Wood-Pewee: Medium-sized flycatcher with dull olive-gray upperparts and pale olive-gray underparts. Head has darker cap and slight crest. The wings are dark with two white bars. Feeds on insects, spiders and berries. Quiet and solitary. Weak fluttering flight with shallow rapid wing beats.
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White-collared Swift: Very large swift, gray-black overall with blue gloss on breast and back. White collar is distinct. Bill, legs and feet are black. The flight is strong and fast. Rapid shallow wing beats followed with long glides. Soars on thermals and updrafts, ranging many miles daily to feed.
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Worm-eating Warbler: Medium-sized, ground nesting warbler with olive-gray upperparts and pale yellow underparts. Yellow head has black crown stripes and eye-lines. As its name suggests, it eats a steady diet of moth caterpillars and worms. It usually forages in understory vegetation and dead leaves.
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Whooper Swan: Large, white swan with black and yellow bill; broad, yellow patch covers at least half of the upper mandible. Black legs and feet. Feeds by dipping head and neck in water. Eats invertebrates and aquatic plants. Strong direct flight with deep and steady wing beats. Flies in V formation.
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