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From Biology-Online Dictionary | Biology-Online Dictionary
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(Science: zoology) 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.

(Science: zoology) red-crested poachard, 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.

Origin: From Poach to stab

Alternative forms: pocard, pochard.