- Redhead & Ring-necked Duck
Redhead (Aythya americana) Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) - Ring-necked Duck & Redhead
Ring-necked Duck (Aythya collaris) Redhead (Aythya americana) - Hooded Merganser & Ring-necked Duck
Hooded Merganser (Lophodytes cucullatus) 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) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) - Ring-necked Duck
Ring-necked Duck (Aythya collaris) [female & male] - Ring-necked Duck
Ring-necked Duck (Aythya collaris) [males]