Aythya is a genus of diving ducks. It has twelve described species. The name Aythya comes from the Ancient Greek word αυθυια (authuia), which may have...

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

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

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 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...

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...

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

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...

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

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

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...

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

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"...

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

stellata, Ardea alba, Ciconia ciconia, Tachybaptus ruficollis, Aythya ferina, Aythya fuligula, Aythya nyroca, Anas platyrhynchos, Fulica atra), birds of prey...

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

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

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

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

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

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...

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

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

waterbirds, the sociable lapwing (Vanellus gregarius) and Baer’s pochard (Aythya baeri). Major threats to the Site include water management activities such...