ring-necked duck

1 definition found

ring-necked duck - Collaborative International Dictionary of English v.0.48 :

  Ring-necked \Ring"-necked`\, a. (Zool.)
     Having a well defined ring of color around the neck.
     [1913 Webster]
  
     Ring-necked duck (Zool.), an American scaup duck (Aythya  collaris
        ). The head, neck, and breast of the adult male
        are black, and a narrow, but conspicuous, red ring
        encircles the neck. This ring is absent in the female.
        Called also ring-neck, ring-necked blackhead,
        ringbill, tufted duck, and black jack.
        [1913 Webster]