Whistling Swan

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“Cygnus columbianus. Common American Swan. Whistling Swan. Bill with a yellow spot or blotch in front of eye, usually small, sometimes wanting. Bill less lengthened and expanded terminally than in C. buccinator, the nostrils across the middle; the distance from the anterior angle of the eye to the hind edge of the nostril more than thence to the end of the bill. Tail-feathers normally 20.” Elliot Coues, 1884

Keywords

migratory birds, birds, waterfowl, ornithology, North American birds, Tundra Swan, omnivorous birds, dabbler birds, Cygnus columbianus, Common American Swan, Whistling Swan

Galleries

Birds: S

Source

Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)

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