Eider (Somateria mollissima)
Senegal Thick-knee (Burhinus senegalensis)
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
This species is UNPUBLISHED. Description is not yet completed. Species on the WP-syllabus have priority.
Ecology:
Links:
CC