Yellow-billed Loon (Gavia adamsii)
Ringed Plover (Charadrius hiaticula)
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.
Marked black breast-band and mask. Olive-brown upperparts and white underparts. Easily confused with Little Ringed Plover (especially juveniles). Diagnostic characters in adults are; striking white wing-bars (only faint in Little Ringed Plover), orange base of bill and legs, and no yellow eye-ring. Juveniles also show characteristic wing-bars, white supercilium extends behind the eye, lower part of "mask" is rounded and bill is stouter. Tertials do not cover tips of primaries.
Sound:Usually heard before seen. Contact call a short, soft "koo-eep", with the emphasised second part higher and rising in pitch. Song a cyclic repetition of the contact call. Sometimes with a shortened phrases and a more creaking timbre.
Flight 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