Scaups, Pochards, and Allies
Aythya
Aythya is a genus of diving ducks. It has twelve described species. The name Aythya comes from the Ancient Greek word αυθυια, aithuia, which may have referred to a sea-dwelling duck or an auklet.
31 branches of this genus, most-observed first · about 12 known species
Tufted Duck
speciesAythya fuligula
Ring-necked Duck
speciesAythya collaris
Lesser Scaup
speciesAythya affinis
Common Pochard
speciesAythya ferina
Greater Scaup
speciesAythya marila
Redhead
speciesAythya americana
Canvasback
speciesAythya valisineria
Hardhead
speciesAythya australis
Ferruginous Duck
speciesAythya nyroca
New Zealand Scaup
speciesAythya novaeseelandiae
Baer's Pochard
speciesAythya baeri
Common Pochard × Ferruginous Duck
hybridAythya ferina × nyroca
Common Pochard × Tufted Duck
hybridAythya ferina × fuligula
Canvasback × Redhead
hybridAythya valisineria × americana
Lesser Scaup × Ring-necked Duck
hybridAythya affinis × collaris
Tufted Duck × Greater Scaup
hybridAythya fuligula × marila
Baer's Pochard × Ferruginous Duck
hybridAythya baeri × nyroca
Redhead × Ring-necked Duck
hybridAythya americana × collaris
Tufted × Ferruginous Duck
hybridAythya fuligula × nyroca
Lesser Scaup × Tufted Duck
hybridAythya affinis × fuligula
Lesser Scaup × Redhead
hybridAythya affinis × americana
Madagascar Pochard
speciesAythya innotata
Ring-necked Duck × Greater Scaup
hybridAythya collaris × marila
Ring-necked × Tufted Duck
hybridAythya collaris × fuligula
Redhead × Greater Scaup
hybridAythya americana × marila
Canvasback × Ring-necked Duck
hybridAythya valisineria × collaris
Aythya ferina × marila
hybridAythya ferina × marila
Aythya baeri × ferina
hybridAythya baeri × ferina
Aythya americana × baeri
hybridAythya americana × baeri
Aythya americana × fuligula
hybridAythya americana × fuligula
Aythya americana × ferina
hybridAythya americana × ferina
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Aythya in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 7043.