Willow Ptarmigan (Lagopus lagopus)
Scaup (Aythya marila)
Slightly bigger and more heavy build than Ptarmigan, with clearly heavier bill. Summer plumage warm brown above with white belly, showing a warmer brown than Ptarmigan. Winter plumage all white in both sexes, except for black tail. Males lacking black lores. Wings always white in all plumages in nominate ssp. lagopus, and brown in ssp. scotica.
Sound:Very characteristic calls: "Kuwa -Kuwa -Kuwa" (go back!) Also: "kauw kauwkkkrrrkekekekekeke" with a short pause after first "kauw", then a decelerating cackle, often followed by the "go back" call.
Song:
Distribution:
Wikipedia: map (se also Xeno-canto below)
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CCMedium sized diving duck. Male with white sides and light grey,finely mottled back. Female mostly brown with prominent white feathering at base of bill (more white than most female Tufted Ducks), and often a pale cheek patch (sometimes missing in winter plumage). Large rounded head with no hint of tuft. Bill grey with much smaller, narrow, black nail than Tufted Duck. Wings with similar wing stripe as Tufted. Floats low in water.
Sound:Male call carries only a few meters: a whistling "po-ho" last syllable slowly descending. Female calls with harsh "harr-harrr-harrr".
Female:
Distribution:
Wikipedia: map (se also Xeno-canto below)
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CCSounds:Recorded by Patrik Åberg,http://www.xeno-canto.org ,CC license