speakingofnature:Ring-necked DuckDuring spring migration the Ring-necked Duck (Aythya collaris) pass
speakingofnature:Ring-necked DuckDuring spring migration the Ring-necked Duck (Aythya collaris) passes through Iowa on its way to nesting grounds in Minnesota and Canada. Although difficult to see, the three males display the faintly visible chestnut neck ring. -- source link