1) bird native to Canada 2) Bird found in Europe 3) Bird native to Europe 4) Bucephela albeola 5) Butterball 6) Dipper 7) Duck 8) Duck found in Europe 9) European native bird 10) European duck 11) European native duck 12) European duck-family bird 13) European bird 14) Males have bushy head plumage 
• (n.) The buffel duck. See Buffel duck. • (n.) One who has a large head; a heavy, stupid fellow.
(Bucephala albeola), small, rapid-flying duck of the family Anatidae, which breeds in woodland ponds and bogs from Alaska and northern California ...
Buf'fle·head` noun [ Buffle + head .] 1. One who has a large head; a heavy, stupid fellow. [ Obsolete] « What makes you stare so, bufflehead ? Plautus (trans. 1694). » 2. (Zoology) The buffel duck. See Buffel duck . 
[n] - small North American diving duck
butterball noun small North American diving duck; males have bushy head plumage
A species of North American Duck
a small North American duck, Bucephala albeola, the male of which has bushy head plumage.