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Females are pale brown where males are chestnut and black, and they have a grayish rather than white body. In late summer and early fall, males have brown heads ...
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Canvasback

Bird
The canvasback is a species of diving duck, the largest found in North America. Wikipedia
Scientific name: Aythya valisineria
Mass: 1.9 – 3.5 lbs
Conservation status: Least Concern (Population decreasing)
Nickname: the aristocrat of ducks
Class: Aves
Family: Anatidae
Genus: Aythya

The canvasback (Aythya valisineria) is a species of diving duck, the largest found in North America. Canvasback. Temporal range: Pleistocene–present.
Similar SpeciesRing-necked Duck. Ring-necked Duck Female is similar to Canvasback. Female. Ring-necked Ducks are smaller than Canvasbacks with a darker back and ...
Male has chestnut head, black bill, black chest, whitish back. Female has pale tan head and neck contrasting with dark bill and grayish body. Size. About the ...
Feb 11, 2021 · A canvasbacks is a large, big-headed diving duck with a gently sloping forehead and a stout neck. Its long bill meets the sloping forehead.
Females have pale, off-white bodies and gray-brown bodies and tails. Canvasbacks' black bills seamlessly line up with their long, narrow and sloping heads. Size.
Female canvasbacks have a light brown head and neck, grading into a darker brown chest and foreback. The sides, flanks and back are grayish-brown. The bill ...
Canvasback is the largest species of diving duck in North America and is highly recognizable due to the male's stark white body, contrasting with a deep maroon ...
Adult males in non-breeding plumage have slightly darker bodies, but look similar. Female Canvasbacks are an overall grayish-brown in color, with a slightly ...
Male and female Canvasbacks resemble Redheads and Ring-necked Ducks of the corresponding sex, but can be distinguished from them by their longer black bills and ...