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Eared Grebe: Small grebe with black upperparts, dark chestnut-brown flanks, white underparts. Head and neck are black, orange feathers on face. Eyes are red. Black legs and feet. Winter adult is gray with darker upperparts, mottled underparts, and dark face with distinct white lower margin. Forages by diving and swimming underwater. Feeds on aquatic insects and crustaceans. Direct flight with rapid wing beats.
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Red-necked Grebe: Large grebe with dark gray upperparts and cap, white underparts with gray flanks. Lower face and nape are white; neck is red-brown. Eyes are dark brown. Long thick yellow bill with dark tip. Black legs, feet. Winter adult has gray neck and less white on face. Dives for small fish and crustaceans. Direct flight on rapid wing beats.
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Least Grebe: Smallest of North America's grebes. Eyes dark yellow , plumage is dark black-gray, white undertail coverts and white wing patch in flight. Black bill. In winter shows pale throat, in summer a dark throat. Females similar, juveniles are dark and light gray with striping on head. Seldom fly, rarely leave nesting places.
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Clark's Grebe: Large grebe, gray-black upperparts, white underparts, and slender neck with white on front and black on back. White face, black cap extends nearly to red eyes. Bill is yellow-orange. Until the 1980's thought to be a pale morph of the Western Grebe. Direct flight on rapid wing beats.
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Western Grebe: Large, long-necked grebe with dark gray upperparts, white underparts, gray sides and flanks. Lower face and front of neck are white; black cap extends below eye. Back of neck is black. Eyes are red. Bill is long, thin, and dull olive-yellow. Winter birds are duller gray and juveniles are light gray overall. Wings have white stripes visible in flight.
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Pied-billed Grebe: Medium-sized, stocky grebe with brown upperparts, paler brown underparts with barred sides and flanks, and distinct white undertail coverts. Chin is black and bill is white with central black ring. Eyes are dark. Sexes are similar. Winter adult has white chin and lacks ring on bill. Juvenile resembles winter adult but has brown streaks on face and upper neck.
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Horned Grebe: Small grebe, red-brown neck, breast and flanks, nearly black throat and back. Head has black cap, white face, conspicuous buff-orange to yellow ear plumes. Bill is dark with white tip, eyes are dark red. Feeds on aquatic insects, fish and crustaceans. Direct flight on rapid wing beats.
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