Lesser Scaup (Aythya affinis) maleLesser Scaup (Aythya affinis) femaleLesser Scaup (Aythya affinis) maleLesser Scaup (Aythya affinis) maleLesser Scaup (Aythya affinis) male and femaleLesser Scaup (Aythya affinis) femaleLesser Scaup (Aythya affinis) maleLesser Scaup (Aythya affinis) maleLesser Scaup (Aythya affinis) male