Appearance:

Big, goose-sized duck. Gives an overall white impression. Reddish breast-band, dark blackish green head and black flight-feathers. Tip of tail black and adults with dark belly-band. Bill red. Males with red knob at base of bill. Juveniles duller, with white chin and no breast-band. Goose-like flight with slow wing-beats.

Sound:

Male: Various whistling sounds. Often series of ricochet-like "piu" repeated with gradually rising and falling intensity. Also passerine-like "tzzrrrr". Female: different variants on deeper hoarse sounds like "ar-ar-ar-ar" sometimes with accented endings with rising pitch.

Display-call:

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 Louis A. Hansen,http://www.xeno-canto.org ,CC license

CC-photo:Sergey Yeliseev, Licence,Link.

Appearance:

Very large, mostly unmistakable bird. Grey upperparts, white underparts and yellow/yellowish bill. Keeps neck retracted when flying (as opposed to crane). May be mistaken for Purple Heron, but back of neck grey, not brown. Bill heavy and dagger-shaped. Neck thicker and less angular than in Purple Heron. Unmarked cheeks.

Sound:

Quite vocal. Most common call a short, far reaching and extremely harsh, rasping sound. At breeding ground a varied repertoire of harsh and clattering sounds.

Flight call:

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