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The Common Goldeneye is a diving duck found across the Northern Hemisphere, recognizable by the males' dark heads with white cheeks and bright golden eyes. This species is important for understanding waterfowl populations and ecology in northern freshwater and coastal environments.
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Bucephala clangula pair Female goldeneye with chicks
The common goldeneye or simply goldeneye (Bucephala clangula) is a medium-sized sea duck of the genus Bucephala, the goldeneyes. Its closest relative is the similar Barrow's goldeneye. The genus name is derived from the Ancient Greek boukephalos ("bullheaded", from bous, "bull" and kephale, "head"), a reference to the bulbous head shape of the bufflehead. The species name is derived from the Latin clangere ("to resound").