- Redhead & Ring-necked Duck
Redhead (Aythya americana) Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) - Bufflehead & Ring-necked Duck
Bufflehead (Bucephala albeola) Ring-necked Duck (Aythya collaris) - Bufflehead & Ring-necked Duck
Bufflehead (Bucephala albeola) Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) - Redhead & Ring-necked Duck
Redhead (Aythya americana) Ring-necked Duck (Aythya collaris) - Redhead & Ring-necked Duck
Redhead (Aythya americana) Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) [males]