北美黑鴨

北美黑鴨

American Black Duck

Anas rubripes

分类位置

雁形目鸭科Anas北美黑鴨

形态与习性

The American black duck (Anas rubripes) is a large dabbling duck in the family Anatidae. It was described by William Brewster in 1902. It is the heaviest species in the genus Anas, weighing 720–1,640 g (1.6–3.6 lb) on average and measuring 54–59 cm (21–23 in) in length with an 88–95 cm (35–37 in) wingspan. It somewhat resembles the female and eclipse male mallard in coloration, but has a darker plumage. The male and female are generally similar in appearance, but the male's bill is yellow while

体重
1 g

同科物种

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