Ring-necked \Ring"-necked`\, a. (Zo["o]l.)
Having a well defined ring of color around the neck.
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.
Source: Webster's Revised Unabridged Dictionary (1913)
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2. (Zo["o]l.) A scaup duck. See below.
Scaup duck (Zo["o]l.), 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 (A. affinis),
called also little bluebill, river broadbill, and
shuffler; the tufted, or ring-necked, scaup duck (A.
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 (A. marila), closely
resembles the American variety.
Source: Webster's Revised Unabridged Dictionary (1913)
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