Eider (Somateria mollissima)
Great Skua (Stercorarius skua)
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
Image search Flickr NB! May give other species
CCCC-photo:Paul Williams www.IronAmmonitePhotography.com, Licence,Link.
Sounds:Recorded by Stein Ø. Nilsen,http://www.xeno-canto.org ,CC license
Large and heavy skua with broad wings and short tail. The white patches at base of primaries are more striking than in the other skuas, and are visible both on upper and underside of wings. Size comparable to Herring Gull, but build more compact. Seemingly black at a distance, but white wing-patches usually visible. Confusion with juvenile Pomarine Skua possible, but body is heavier (not just the chest), wings rounder, bill longer, neck thicker and tail shorter.
Sound:Heard mostly at breeding ground. Short, and dry "kek", when agitated. Also a nasal, slightly mewing "kew".
Alarm call:
Distribution:
Wikipedia: map (se also Xeno-canto below)
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CC