Canvasback, Aythya valisineria (synonyms, Aristonetta valisineria, Marila valisineria and Nyroca valisineria; protonym, Anas valisineria), Wilson, A., 1814 ...
These common mystery birds are members of a group of birds that are known as "diving ducks" in honour of how they hunt Tufted duck, Aythya fuligula, Linnaeus, 1758 (formerly, Nyroca fuligula; protonym ...
Diets and food preferences of Lesser Scaup (Aythya affinis) breeding in southwestern Manitoba were analyzed. Overall diets differed among reproductive stages, but were similar for paired males (n = 23 ...
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An Aythya baeri swims at Qinghuahai National Wetland Park in Baoshan, southwest China's Yunnan Province, Feb. 22, 2020. An Aythya baeri, a critically endangered duck, was recently spotted in a ...
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