Genus
Bucephala (Goldeneyes and bufflehead)
Bucephala clangula × islandica. Photo: (c) Joanne Redwood, some rights reserved (CC BY-NC)
Bucephala is a genus of ducks found in the Northern Hemisphere. The genus name is derived from Ancient Greek boukephalos, “bullheaded”, from bous “bull”, and kephale, “head”, a reference to the crest of the bufflehead making its head look large.