Species:

Gyrfalcon (Falco rusticolus)

Nightingale (Luscinia megarhynchos)

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Length (cm):
50-60
16-16
Wingspan (cm):
130-160
23-26
Weight (gram):
805-2100
17-24
Size group:
Bigger than a crow
Sparrow-size
Main Texts:
Appearance:

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:

Error loading Flash for sound!
See sound file


Distribution:

Xeno-canto: map

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

Sounds:Recorded by Andrew Spencer,http://www.xeno-canto.org ,CC license

Appearance:

Very similar to Thrush Nightingale. Anonymous, indistinct plumage and secretive behaviour makes it an easily overlooked bird (except when singing). Tail rufous brown, upperparts warm brown. Underparts buff and white. Throat without streaking. Tail more rufous, and contrasts less with the warm brown back, than in Thrush Nightingale. Overall a more smooth and clean appearance. Thrush-like behaviour despite the small size, with jumping gait, erect posture, raised tail and drooping wings.

Sound:

Alarm call either a thin, flycatcher-like "weeet", or a Chiff-chaff-like "piuu". Also a characteristic (but similar to Thrush Nighitingale) dry, rattling, frog-like "rrrrr". The song is the best characteristic to separate it from T. Nightingale. It consists of extremely resonant, full-bodied notes and lacks the, dry, rolling, rattling sounds of T.N. Most distinct species specific sound is the interwoven series of slightly ascending, plaintive notes (0.04 - 0.10 in recording). May mimic Thrush Nightningale!

Song:

Error loading Flash for sound!
See sound file


Distribution:

Xeno-canto: map

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

Similar species (image):
Similar species (sound):
Silhouette Group:
Raptors
Silhouette
Thrush-like
Silhouette
Several different images of the species
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Several different sounds of the species
Error loading Flash for sound!
See sound file
Error loading Flash for sound!
See sound file