Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun aythya_affinis

1 sense of aythya affinis

Sense 1
lesser scaup, lesser scaup duck, lake duck, Aythya affinis -- (common scaup of North America; males have purplish heads)
       => scaup, scaup duck, bluebill, broadbill -- (diving ducks of North America having a bluish-grey bill)