SHELDRAKE
sheldrake
(noun) Old World gooselike duck slightly larger than a mallard with variegated mostly black-and-white plumage and a red bill
merganser, fish duck, sawbill, sheldrake
(noun) large crested fish-eating diving duck having a slender hooked bill with serrated edges
Source: WordNet® 3.1
Proper noun
Sheldrake
An English surname.
Etymology
Noun
sheldrake (plural sheldrakes)
An Old World duck of the genus Tadorna.
A merganser.
A male shelduck.
Source: Wiktionary
Shel"drake`, n. Etym: [Sheld + drake.]
1. (Zoöl.)
Definition: Any one of several species of large Old World ducks of the
genus Tadorna and allied genera, especially the European and Asiatic
species. (T. cornuta, or tadorna), which somewhat resembles a goose
in form and habit, but breeds in burrows.
Note: It has the head and neck greenish black, the breast, sides, and
forward part of the back brown, the shoulders and middle of belly
black, the speculum green, and the bill and frontal bright red.
Called also shelduck, shellduck, sheldfowl, skeelduck, bergander,
burrow duck, and links goose.
Note: The Australian sheldrake (Tadorna radja) has the head, neck,
breast, flanks, and wing coverts white, the upper part of the back
and a band on the breast deep chestnut, and the back and tail black.
The chestnut sheldrake of Australia (Casarca tadornoides) is varied
with black and chestnut, and has a dark green head and neck. The
ruddy sheldrake, or Braminy duck (C. rutila), and the white-winged
sheldrake (C. leucoptera), are related Asiatic species.
2. Any one of the American mergansers.
Note: The name is also loosely applied to other ducks, as the
canvasback, and the shoveler.
Source: Webster’s Unabridged Dictionary 1913 Edition