|Site Of Nest:
|Near water, typically on islands in northern
or on floating mats of vegetation.
Aquatic molluscs, plants, and insects.
Male: Dark head with a green sheen, a black breast, a light back, a
black tail, and a white underside. The belly and flanks are a bright
white. Its neck, breast, and tail feathers are a glossy black, while
its lower flanks are vermiculated gray. The upper wing has a
white stripe starting
the speculum and extending along the flight feathers
Female: Brown body and head, with white wing markings similar to those
of the male but slightly duller. It has a white band and brown oval
shaped patches at the base of the bill, which is a slightly duller
shade of blue than the drake's. Legs and feet of both sexes
gray. Juvenile greater scaup look similar to adult females.
In Summer in Alaska, northern Canada, Siberia, and
the northernmost reaches of Europe. Migrates in
winter to North America, Europe, and Japan.
Six to nine. Olive-buff colored.