Gyrfalcon (Falco rusticolus)
Grey-headed Woodpecker (Picus canus)
Largest falcon. Heavily built. Grey upperparts and white, speckled underparts. Juveniles with browner plumage than adults, blue-grey legs and longitudinal streaking below. Diffuse moustache-stripe, and the whole head seems dark at distance, lacking a defined cap. Rounder and broader wings, longer tail and bulky belly distinguishes it from Peregrine. Underside of wings with dark coverts in contrast to pale base of flight-feathers. Extremely powerful, but slower flight action than Peregrine.
Sound:A coarse, drawn out, Peregrine-like "kaaawt", with emphasis on ending, is repeated in series. Much slower paced than in small falcons, and deeper and with different attack than in Peregrine. Also shorter, coarse warning-calls.
Alarm call:
Distribution:
Xeno-canto: map
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CCSounds:Recorded by Andrew Spencer,http://www.xeno-canto.org ,CC license
Green back. Head mostly grey with only a slim black moustache stripe, and underparts rather greyish too. Smaller than Green Woodpecker, and bill less heavy. Male with small red patch on forehead. Flight and movements more agile than Green Woodpecker.
Sound:Mostly heard during the breeding season. Song similar to Green Woodpecker, but general tone is soft and melancholic. Phrases consists of series of 5-8 clear notes falling both in pitch and intensity, and with diagnostic ritardando at the end. Short "kek" uttered if excited. Rarely drums.
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
CC