Appearance:

Small, stocky diving duck with short bill, big triangular head and yellow eyes (dark in juveniles). Male: dark metallic green head and white patch at base of bill. Black back and tail. Neck, breast and underparts white. Female with brown head, white collar and pale underparts. White, square wing panels and dark underwing in both sexes.

Sound:

Male display sound a dry nasal disyllabic "Ka-weerr". First note introductory and second longer and descending. Usually accompanied by back-throwing head motion. Female: dry harsh "aahrrrr aahrrrr aahrrrr ". Wings make a characteristic whistling sound.

Display-call male, wing noise:

Distribution:

Wikipedia: map (se also Xeno-canto below)

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

CC-photo:berniedup, Licence,Link,

Sounds:Recorded by Patrik Åberg,http://www.xeno-canto.org ,CC license

Appearance:

Small, compact diving duck with short neck and rounded head. Males with diagnostic tuft, white flanks and black back. Females with rudimentary tuft, mostly dark brown body, with varying white feathering at base of bill. Females in winter showing much white at base of bill are easily mistaken for Scaup, but note hint of small tuft, smaller head, broad black nail of bill and no white cheek spots. Both sexes show long, white wing stripes in flight.

Sound:

Male display sound: High pitched short whistling-like noises, "pjuu-uu", not very audible. Both sexes have harsh "ahrrrr" calls like other diving ducks, sometimes with a crow-like quality.

Female:

Distribution:

Wikipedia: map (se also Xeno-canto below)

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

Sounds:Recorded by Stein Ø. Nilsen,http://www.xeno-canto.org ,CC license