Trowbridge's Surf Duck
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“Oidemia perspicillata trowbridgii. Trowbridge’s Surf Duck, With the bill longer, exceeding the head, and o slightly different shape; feathers falling short of nostrils; gape 2.75; white frontal patch small, its posterior border anterior to a line between eyes, instead of reaching or passing beyond this.” Elliot Coues, 1884
Keywords
migratory birds, birds, ornithology, sea duck, North American birds, aquatic feeders, surface diving birds, Sea Coot, Oidemia perspicillata trowbridgii, Trowbridge's Surf DuckGalleries
Birds: D-ESource
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
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