Bufflehead ducks feed on insects, crustaceans, and mollusks.

The main role of a bufflehead's duties to the ecosystem is the spreading of seeds. They will compete with squirrels and other animals to get these seeds.

The bufflehead nests in Alaska and Canada.It winters southward to the Gulf of Mexico.The bufflehead is one of the smaller ducks,and is white with black on the back.The head is dark greenish with a large white area on the back.females are brown,with a white ringneck and white breast.

about 7 years long .[same as mallard.]

up to 48 mph, one of the fastest of sea ducks.