Aythya

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Aythya
Canvasback (Aythya valisineria)
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Aves Order: Anseriformes Family: Anatidae Genus: Aythya Boie, 1822
Species
See text.

Aythya is a genus of diving ducks.

[edit] Species

• Canvasback Aythya valisineria
• Common Pochard Aythya ferina
• Redhead Aythya americana
• Ring-necked Duck Aythya collaris
• Hardhead Aythya australis
• Baer's Pochard Aythya baeri
• Ferruginous Duck Aythya nyroca
• Madagascar Pochard Aythya innotata
• New Zealand Scaup Aythya novaeseelandiae
• Tufted Duck Aythya fuligula
• Greater Scaup Aythya marila
• Lesser Scaup Aythya affinis

An undescribed prehistoric species is known only from Early Pleistocene fossil remains found at Dursunlu, Turkey^[1]; it might however be referrable to a paleosubspecies of an extant species considering its age (see also Greater Scaup).

The Miocene^{[verification needed]}"Aythya" arvernensis is now placed in Mionetta, while "Aythya" chauvirae seems to contain the remains of 2 species, at least one of which does not seem to be a diving duck.^[2]

[edit] References

1. ^ Louchart et al. (1998)
2. ^ Worthy et al. (2007)

• Louchart, Antoine; Mourer-Chauviré, Cécile; Guleç, Erksin; Howell, Francis Clark & White, Tim D. (1998): L'avifaune de Dursunlu, Turquie, Pléistocène inférieur: climat, environnement et biogéographie. C. R. Acad. Sci. Paris IIA 327(5): 341-346. [French with English abridged version] doi:10.1016/S1251-8050(98)80053-0 (HTML abstract)
• Worthy, Trevor H.; Tennyson, A.J.D.; Jones, C.; McNamara, J.A. & Douglas, B.J. (2007): Miocene waterfowl and other birds from central Otago, New Zealand. J. Syst. Palaeontol. 5(1): 1-39. doi:10.1017/S1477201906001957 (HTML abstract)