Aythya is a genus of diving ducks, with twelve species currently accepted. The genus was described in 1822 by the German zoologist Friedrich Boie, with...

The tufted duck (or tufted pochard) (Aythya fuligula) is a small diving duck with a population of close to one million birds, found in northern Eurasia...

The common pochard (/ˈpɒtʃərd/; Aythya ferina), known simply as pochard in the United Kingdom, is a medium-sized diving duck in the family Anatidae. It...

The canvasback (Aythya valisineria) is a species of diving duck, the largest found in North America. Scottish-American naturalist Alexander Wilson described...

The greater scaup (Aythya marila), just scaup in Europe or, colloquially, "bluebill" in North America, is a mid-sized diving duck, larger than the closely...

The lesser scaup (Aythya affinis) is a small North American diving duck that migrates south as far as Central America in winter. It is colloquially known...

Baer's pochard (Aythya baeri) is a diving duck found in eastern Asia. It is a resident bird in North and Central China, and formerly bred in southeast...

The redhead (Aythya americana) is a medium-sized diving duck. The scientific name is derived from Greek aithuia, an unidentified seabird mentioned by authors...

The ring-necked duck (Aythya collaris) is a diving duck from North America commonly found in freshwater ponds and lakes. The scientific name is derived...

The ferruginous duck (Aythya nyroca), also known as ferruginous pochard, common white-eye or white-eyed pochard, is a medium-sized diving duck from Eurosiberia...

diving duck: Greater scaup, or just "scaup", Aythya marila Lesser scaup, Aythya affinis New Zealand scaup, Aythya novaeseelandiae Look up scaup in Wiktionary...

pochard or Madagascan pochard (Aythya innotata; Malagasy: Fotsy maso, Onjo) is an extremely rare diving duck of the genus Aythya. Thought to be extinct in...

The hardhead (Aythya australis), also known as the white-eyed duck, is the only true diving duck found in Australia. The common name "hardhead" has nothing...

Zealand scaup (Aythya novaeseelandiae), also known as the black teal or pāpango in Māori, is a diving duck species of the genus Aythya endemic to New...

Aythya Canvasback (Aythya valisineria) Common pochard (Aythya ferina) Redhead (Aythya americana) Ring-necked duck (Aythya collaris) Hardhead (Aythya australis)...

ducks) Netta, red-crested pochard and allies (4 species, 1 probably extinct) Aythya, pochards, scaups, etc. (12 species) Subfamily: Anatinae, dabbling ducks...

pochard) Genus Aythya Boie 1822 †Aythya chauvirae Cheneval 1987 †Aythya denesi (Kessler 2013) Zelenkov 2016 †Aythya effodiata (DeVis 1905) †Aythya magna Kuročkin...

Aythya valisineria (Wilson, A, 1814) 131 Redhead Aythya americana (Eyton, 1838) 132 Common pochard Aythya ferina (Linnaeus, 1758) 133 Hardhead Aythya...

the genus Aythya: Common pochard, Aythya ferina Baer's pochard, Aythya baeri Ferruginous pochard, Aythya nyroca Madagascar pochard, Aythya innotata Three...

The Réunion pochard (Aythya sp.), also known as the Mascarene Islands pochard, is an undescribed extinct species of diving duck that lived on the island...

Spatula Boie 1822 Tribe Aythyini Delacour and Mayr, 1945 (diving ducks) Genus Aythya Boie 1822 Unassigned Anatidae: †"Anas" albae Jánossy 1979 [?Mergus] †"Anas"...

Histrionicus Lophodytes Melanitta Mergellus Mergus Polysticta †Shiriyanetta Somateria Anatini Anas Mareca †Matanas Sibirionetta Spatula Aythyini Aythya...

as Asarcornis scutulata, which is evolutionarily closer to the redhead (Aythya americana, one of the diving ducks). This is one of the largest living species...

t22680021a132052989.en.{{cite iucn}}: |date= / |doi= mismatch (help) IUCN (2016-10-01). "Aythya innotata: BirdLife International: The IUCN Red List of Threatened Species...

pochard Aythya ferina Vulnerable Baer's pochard Aythya baeri Critically endangered Ferruginous duck Aythya nyroca Near threatened Tufted duck Aythya fuligula...

oxygen uptake and aerobic capacity of locomotory muscles in tufted ducks, Aythya fuligula". The Journal of Physiology. 401: 347–359. doi:10.1113/jphysiol...

waterbird species were endemic to northern Madagascar, the Madagascar pochard (Aythya innotata) and the Alaotra grebe (Tachybaptus rufolavatus). The Madagascar...

Canvasback, Aythya valisineria Redhead, Aythya americana Ring-necked duck, Aythya collaris Tufted duck, Aythya fuligula (A) Greater scaup, Aythya marila Lesser...

endangered species in Pakistan.   Endemic to Pakistan Testudo horsfieldii Aythya baeri Sterna acuticauda Threskiornis melanocephalus Limosa limosa Chaetornis...

species that are globally threatened with extinction: Ferruginous duck (Aythya nyroca), White-tailed eagle (Haliaeetus albicilla) (just 2–3 pairs have...