Bufflehead Bucephala albeola

Bufflehead
Bufflehead drake
The Bufflehead is a North American sea duck.
Bufflehead
Buffelhead duck
Petrol-head
The Bufflehead drake in breeding plumage has iridescent purple and green highlights on his head.
Bufflehead
Buffelhead duck
Petrol-head
The Bufflehead female is mainly grey with a brown head and white cheek-spot.
Bufflehead pair
Buffleheads
Bufflehead duck and drake
Bufflehead pair, duck and drake (he's in transition to eclipse plumage in centre picture above).
Buffelhead and Black-headed Gull The Bufflehead is a very small duck (cf. Black-headed Gull).
Petrol-head He's a Petrol-head
Bufflehead female Bufflehead - female