Common Goldeneye - Bucephala clangula - Brilduiker
North-America and Eurasia.
The following 2 subspecies are being recognised:
Bucephala clangula clangula - Northern Eurasia. Winters to Mediterranean, Persian Gulf and South-China;
Bucephala clangula americana - Northern North-America. Winters to California and Florida.
Of this species there are also Nature Photo's available.