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Adult male Alaska Aleutians American Black Duck belly Bering Sea bill birds blackish Breeding adult breeding plumage browner buff buffy California Calls include casual chestnut coastal color coniferous crown darker distinct distinguish Dowitcher duller ear patch eastern edge eyebrow Fairly common first-winter flanks flight Florida Flycatcher forehead grayer grayish Gull habitats head Hummingbird islands Juve lacks Lawrence Island legs loud Male's mandible migration molt morph mottled nape neck nests North America northern numbers orange outer tail feathers overall paler Phalarope plumage primaries race Range rare Red-eyed Vireo reddish rufous rump Salton Sea Sandpiper shorter shows sides slightly smaller Song southern Sparrow spot spring streaked stripe subspecies summer Texas Thayer's Gull throat Titmouse trill tundra Uncommon underparts undertail coverts underwing upperparts usually variable Vireo Warbler west coast western whistled whitish wing bars wing coverts wing linings wingbeats winter adult winter plumage woodlands yellow