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'''Aythya''' is a genus of diving ducks.

Contents

Species

References

Species

★ Canvasback ''Aythya valisineria''

★ 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 (Louchart ''et al.'' 1998); it might however be referrable to a paleosubspecies of an extant species considering its age (see also Greater Scaup).

References

★ '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] (HTML abstract)