A common European duck (Aythya ferina); -- called also goldhead, poker, and fresh-water, or red-headed, widgeon.
The American redhead, which is closely allied to the European poachard. Red-crested poachard (Zoöl.), an Old World duck (Branta rufina). -- Scaup poachard, the scaup duck. -- Tufted poachard, a scaup duck (Aythya, or Fuligula cristata), native of Europe and Asia.
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