'Aythya collaris' definitions:
Definition of 'Aythya collaris'
From: GCIDE
- 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]
Definition of 'Aythya collaris'
From: GCIDE
- Scaup \Scaup\ (sk[add]p), n. [See Scalp a bed of oysters or mussels.]
- 1. A bed or stratum of shellfish; scalp. [Scot.] [1913 Webster]
- 2. (Zool.) A scaup duck. See below. [1913 Webster]
- Scaup duck (Zool.), any one of several species of northern ducks of the genus Aythya, or Fuligula. The adult males are, in large part, black. The three North American species are: the greater scaup duck (Aythya marila, var. nearctica), called also broadbill, bluebill, blackhead, flock duck, flocking fowl, and {raft duck}; the lesser scaup duck (Aythya affinis), called also little bluebill, river broadbill, and shuffler; the tufted, or ring-necked, scaup duck ({Aythya collaris}), called also black jack, ringneck, ringbill, ringbill shuffler, etc. See Illust. of Ring-necked duck, under Ring-necked. The common European scaup, or mussel, duck (Aythya marila), closely resembles the American variety. [1913 Webster]