Lesser scaup, male, breeding plumage.
Image ID: 18418
Species: Lesser scaup, Aythya affinis
Location: Mission Bay, San Diego, California, USA | Lesser scaups, female (f) and male (r), breeding plumage.
Image ID: 18419
Species: Lesser scaup, Aythya affinis
Location: Mission Bay, San Diego, California, USA | Lesser scaups, single female and five males, breeding plumage.
Image ID: 18420
Species: Lesser scaup, Aythya affinis
Location: Mission Bay, San Diego, California, USA |