DARK RUMP WHITE WING STRIPE DOES NOT EXTEND INTO PRIMARIES WHITE BELLY NAIL OF BILL 5.0-6.5 MILLIMETERS WIDE ♂ SLIGHT CREST GRAY BACK BLACK HEAD WITH PURPLISH TINGE BROAD BLUE BILL BLACK BREAST LIGHT FLANKS ♀ BROWN BODY AND HEAD DISTINCT WHITE MASK
COMMON GOLDENEYE
(Bucephala clangula)
WHITE WING PATCHES ♂ GREENISH BLACK HEAD LIGHT IRIS DISTINCT WHITE PATCH WHITE BREAST AND BELLY 2ND SEASON MALE WITH BROWN HEAD AND FAINT WHITE PATCH ♀ BROWN HEAD ORANGE TIP IN BREEDING PLUMAGE GRAY BACK AND FLANKS WHITE NECK GRAY BREAST WHITE BELLY 1ST SEASON MALE IS SIMILAR IN COLORATION TO FEMALE BUT WITH HEAVIER BODY AND MORE RUGGED HEAD AND BILL
BARROW’S GOLDENEYE
(Bucephala islandica)
WHITE WING PATCHES ♂ PURPLISH BLACK HEAD WHITE CRESCENT PATCH BLACK BACK BLACK BILL WHITE BREAST AND BELLY ♀ LIGHT IRIS GRAY BACK AND FLANKS ORANGE TIP IN BREEDING PLUMAGE WHITE NECK GRAY BREAST WHITE BELLY
BUFFLEHEAD
(Bucephala albeola)
