Tag: all of Aythya

Parasitic egg laying in canvasbacks: frequency, success, and individual behavior.

Canvasback (Aythya valisineria) Science Article 1 abstract Time-lapse photography and frequent nest checks conducted at Canvasback (Aythya valisineria) nests revealed a high frequency of intraspecific parasitic egg laying. At least 36% of completed Canvasback clutches were parasitized by other Canvasbacks, and at least 9.7% of all Canvasback eggs were laid parasitically during the three-year study. […]

Madagascar Pochard (Aythya innotata)

[order] ANSERIFORMES | [family] Anatidae | [latin] Aythya innotata | [authority] Salvadori, 1894 | [UK] Madagascar Pochard | [FR] Fuligule de Madagascar | [DE] Madagaskar-Moorente | [ES] Porron Malgache | [NL] Madagaskarwitoogeend Subspecies Genus Species subspecies Region Range Aythya innotata AF Madagascar Genus Aythya is a genus of diving ducks. It has twelve described species. […]

Pochard (Aythya ferina)

[order] ANSERIFORMES | [family] Anatidae | [latin] Aythya ferina | [authority] Linnaeus, 1758 | [UK] Pochard | [FR] Fuligule milouin | [DE] Tafelente | [ES] Porron Euroasiatico | [NL] Tafeleend Subspecies Monotypic species Genus Aythya is a genus of diving ducks. It has twelve described species. Aythya shihuibas was described from the Late Miocene of […]