
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 americana × fuligula
hybridAythya americana × fuligula
Aythya baeri × ferina
hybridAythya baeri × ferina
Aythya americana × baeri
hybridAythya americana × baeri
Aythya americana × ferina
hybridAythya americana × ferina
Where it lives
Recorded sightings
—
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.