Species:

Great Grey Owl (Strix nebulosa)

Siberian Jay (Perisoreus infaustus)

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Length (cm):
65-70
30-31
Wingspan (cm):
134-158
40-46
Weight (gram):
500-1500
73-101
Size group:
Bigger than a crow
Crow-size
Main Texts:
Appearance:

Approaching Eagle Owl in size, but shape more elongated, with head being extremely large. Differs from Ural Owl in yellow eyes, concentric markings in facial disks, bold white bars between eyes and black "beard". Wings and tail long. Characteristic pale patch at base of primaries shows in flight, but the species leaves an overall darker impression than Ural Owl. Tail with dark terminal band.

Sound:

Song: Cyclic, repetitive, very deep calls rising and falling in volume. Accented start and end of each "hooh". As the call fades away in volume, the speed accelerates. Sometimes disyllabic "ho-ho,ho-ho,ho-ho,ho-ho".

Song:

Error loading Flash for sound!
See sound file


Distribution:

Wikipedia: map (se also Xeno-canto below)

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

CC-sound:Gunnar Fernqvist, Licence,Link.

Appearance:

Pretty unmistakable. Dark brown to grey plumage, with conspicuous rusty patches on wings and tail. Noticeably smaller and slimmer than Jay. Seems all brown when perched, but rusty wings and tail immediately apparent when flying. Flight undulated and several birds are usually following eachother. A social, and very little shy bird.

Sound:

Rich repertoire but not very vocal. Song a subdued chirping stream of squeaky notes and mimicry. Alarm call a loud, mewing, buzzard-like "eeeeaaah".

Song:

Error loading Flash for sound!
See sound file


Distribution:

Wikipedia: map (se also Xeno-canto below)

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

CC-sound:Terje Kolaas, Licence,Link.

Similar species (image):
Similar species (sound):
Jay
Silhouette Group:
Owls
Silhouette
Crow-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
Error loading Flash for sound!
See sound file