Sub-category: Ducks, Geese, & Swans
It is characterised by its bulky shape and large bill. This is the largest species of scoter. Females range from 2 to 4 lbs and 19 to 22 inches. She is brown with pale head patches. The male ranges from 3 to 4.7 lbs and from 21 to 24 inches. He is all black, except for white around the eye and a white speculum. This scoter's bill has a black base and a large knob. The white patches are visible but not conspicuous when the wings are folded.
Found in the sea, diving for molluscs and crustaceans.