Appearance:

Large diving duck with elongated, triangular head profile and short neck. Male: white upperparts and black belly, black cap and two light green patches at back of head. Females are mostly barred in brown. Differs from King Eider by extended feathering on light tipped bill, triangular head profile with less steep forehead and lack of v-barred flanks. Flying birds gives a more elongated impression than King Eiders.

Sound:

Males call a typical, pleasant, clear, 2-3 second long "aaaooooooh". Starting on a low note, slowly ascending and ending on a descending note. Usually accompanied by the female "ga ga ga ga".

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

CC-photo:Paul Williams www.IronAmmonitePhotography.com, Licence,Link.

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

Appearance:

Large and bulky diver with yellow or whitish, heavy bill and square head profile with steep forehead. Usually holds bill uptilted, not pointed straight like Great Northern Diver. Summer: White underparts and chequered black back. Black head and neck with white horizontal band. Winter: White underparts and grey back. Neck usually much more diffusely marked than in Great Northern Diver. Heavy goose-like flight.

Sound:

Song similar to Great Northern Diver, but slower and harsher. Not very vocal.

Song:

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

CC

CC-photo:Seabamirum, Licence,Link.

CC-photo:Bering Land Bridge National Preserve, Licence,Link.

CC-sound:Andrew Spencer, Licence,Link.

CC-photo:jerryoldenettel, Licence,Link.