Other Names: none
Distribution: northern Eurasia in summer; east and south Asia, Mediterranean coastlines, and the Ethiopian highlands in winter. A non-migratory population exists in western Europe.
Size: 40-47 cm in length with a 65-72 cm wingspan.
Plumage: Adult males are black with white flanks and wingtips and a tuft of longer black feathers extending behind the head. Females are chestnut brown with flanks ranging from light brown to mottled off-white. ducklings are a uniform gray-brown. All have yellow eyes with white irises and blue-gray to dark gray bills.