Marsh Harrier (Circus aeruginosus)
Yellow-billed Loon (Gavia adamsii)
Male; brown body, light grey wings with black tips, and brown coverts. Unmarked light grey tail. Female; dark brown with light brown wing-coverts, crown and throat. Tail warm brown and unmarked. Juveniles dark, chocolate-brown, with light buff crown and throat. Young males may show characters of both sexes. Tail fairly long and unforked. Glides with wings raised in shallow V.
Sound:Call: A sharp "kwii-uuu" of about a seconds length, rapidly ascending in pitch, and ending on a falling tone.
Contact 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
CCSounds:Recorded by Jarek Matusiak,http://www.xeno-canto.org ,CC license
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
Image search Flickr NB! May give other species
CCCC-photo:Seabamirum, Licence,Link.
CC-photo:Bering Land Bridge National Preserve, Licence,Link.