Appearance:

In all plumages distinguished by blue or purple speculum boldly framed in white. Male: metallic green head, brown breast, grey body and yellow bill. Female: brownish with dark speckles. Bill with variable, uneven orange markings on sides. Differs from Gadwall and Pintail by being noticeably more heavily built.

Sound:

Female: A distinct coarse, laughing quacking; "haaa ha ha ha ha ha", with first note accented and then descending in pitch. Male: a more silent, very nasal "rriib". Display call a high-pitched short whistle.

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

Appearance:

Big and white waterfowl with orange bill and black knob at base of bill. Juveniles more greyish and differs from juvenile Whoopers by all grey bill and black lores. Neck usually held more S-shaped than other swans when swimming. Long tail prominent when upending.

Sound:

Silent compared to other swans. A repertoire of snorting, grunting and hissing sound when interacting. No far carrying sounds. Wings produce prominent singing sound which may function as a flight contact-call.

Social sounds:

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-sound:Peter Boesman, Licence,Link.