mandarin duck

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An Asian duck (Aix galericulata) having brightly colored plumage and a crested head.

from the GNU version of the Collaborative International Dictionary of English.

• noun A showy crested Asiatic duck (Aix galericulata, formerly Dendronessa galericulata), often domesticated, and regarded by the Chinese as an emblem of conjugal affection.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a perching duck that has a red bill, large white crescent above the eye and reddish face, Aix galericulata.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun showy crested Asiatic duck; often domesticated