Taxonomy summary
Excluding species
Eukaryota
>
Metazoa
>
Chordata
>
Aves
>
Anseriformes
>
Anatidae
>
Aythya
Aythya affinis
Aythya americana
Aythya australis
Aythya baeri
Aythya collaris
Aythya ferina
Aythya fuligula
Aythya innotata
Aythya marila
Aythya novaeseelandiae
Aythya nyroca
Aythya valisineria
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