Aythya affinis - common scaup of North America; males have purplish headslake duck, lesser scaup, lesser scaup duckbluebill, scaup, scaup duck, broadbill - diving ducks of North America having a bluish-grey bill
Aythya affinis
Related to Aythya affinis: lesser scaup duck, scaup duck
Aythya affinis - common scaup of North America; males have purplish heads