Generally uncommon and fairly local small diving duck. Frequents lakes, reservoirs, and rivers. Shy, often found alone or in small groups; frequently kept in European waterfowl collections. Both sexes have bushy crest. Striking male mostly white with black face mask and fine black lines on sides of breast and flanks. Female has dark rusty brown head with big white throat and cheek patch. In flight appears strikingly black-and-white.
The Smew is a compact diving duck with a delicate bill. The male is white with a black mask and a black back, the female is grey with a reddish-brown head and white cheek. In flight, it shows black and white wings. It's a winter visitor in small numbers from Scandinavia and Russia. Sometimes birds move here from Holland and Denmark to escape freezing weather. Little is known about this bird on its breeding grounds.
