Gadwall (Mareca strepera)
Rock Ptarmigan (Lagopus muta)
Medium sized dabbling duck. Male with grey plumage, mottled breast, black rump and vent lacking white framing. Female brown and easily overlooked and confused with female Mallards. Bill with dark center and evenly broad orange sides. Plumage more greyish than female mallard, with a more slender body and steeper forehead. Diagnostic white wingbars and contrasting white belly in all plumages.
Sound:Males display-call a short dry rattling or croaking sound and some high whistling notes. Female quacking similar to Mallard, but drier and shriller.
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:Smudge 9000, Licence,Link.
Slightly smaller and less heavy than Willow Ptarmigan. Overall greyer plumage, and a more delicate bill. Male summer with grey upperparts and white underparts. Female summer with browner upperparts than male. Both sexes completely white in winter plumage, except for black lores in males. Wings white and tail feathers black in all plumages in both sexes.
Sound:Call of male a very distinct "rrrrrrr", being a rattling rapid pulse of clicks, like running a stick along a picket fence. Female has similar sounds, but is higher pitched and not so coarse as male.
Flushed:
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