Range fledging age: 56 to 68 days ; Average age at sexual or reproductive maturity (female): 1 years ; Average age at sexual or reproductive maturity (male): 1 ...
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The canvasback (Aythya valisineria) is a species of diving duck, the largest found in North America. Canvasback. Temporal range: Pleistocene–present.
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25 days. Range fledging age: 56 to 68 days. Average age at sexual or reproductive maturity (female): 1 years. Average age at sexual or reproductive maturity ( ...
This is an omnivorous duck but specialized in its trophic requirements, preferring winter buds, tubers, rhizomes, and root stalks of submergent plants, as well ...
Age at sexual maturity - Canvasbacks become sexually mature their first winter [7,8]. Molting - Drakes begin to gather on molting grounds shortly after ...
Common name: Canvasback ; Synonyms: Anas valisineria ; Maximum longevity: 29.5 years (wild) ; Source: ref. 427 ; Sample size: Large ...
The Canvasback Aythya valisineria is a wild duck that is found only in North America. ... age. It is believed that they live at least 70 years, maybe even ...
Mar 4, 2020 · Large diving duck. Male slightly larger than female. Adult males 51–56 cm (n = 44) total length, 863–1,589 g mass (n = 191); adult females ...
Young need about five weeks for developing feathers, and they can fly at about 11 weeks of age. This species produces one brood per year, but second brood may ...
The oldest recorded Canvasback was a male, and at least 22 years, 7 months old when he was shot in California in 1991.
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