Short-eared Owl (Asio flammeus) -> Treecreeper (Asio flammeus) - BirdID's Bird Guide - Nord University

Species:

Short-eared Owl (Asio flammeus)

Treecreeper (Certhia familiaris)

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Boreal Owl

Short-toed Treecreeper

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Long-eared Owl

Wallcreeper

Length (cm):

37-39

12-12

Wingspan (cm):

95-110

17-21

Weight (gram):

260-420

8-11

Size group:

Crow-size

Warbler-size

Main Texts:

Appearance:

A medium sized owl, which can give a very pale impression in flight. Quite similar to a Long-eared Owl with folded tufts, but differs in bright yellow eyes, darker wing-tips and heavily streaked breast in contrast to pale belly.

Sound:

Song: a series of 6-10 deep "ho"s evenly spaced. Much faster than long eared owl, and rising in pitch until the final "ho". Calls: a raspy, drawn, mewing "eeeeeeeeeah" (about 2 seconds), rising in pitch with accented ending.

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:Lauri Hallikainen, Licence,Link.

Appearance:

Unmistakable, except in areas where it coexists with Short-toed Treecreeper. Differs from said species in pure white flanks (sub-species macrodactyla has faintly buff flanks but not as marked as in Short-toed), shorter and only moderately curved bill, hind-claw as long as hind-toe and "notched" wing-bar (uneven "steps"). Tips of primaries with buffish/white tips/fringes extending along inner web. Mostly distinguished from Short-toed by call, and identification exclusively by plumage characters difficult in areas where both species occur.

Sound:

Contact call a drawn, high-pitched "tzreeee". Similar to Goldcrest in timbre, but of longer duration with a vibrating and slightly rolling tone. Generally repeated in evenly paced, slow series (unlike Goldcrest). Song a short, continuous three-part phrase. Each phrase starts with a few contact call-like notes followed by a Willow Warbler-like descending part, which then jumps to a few descending high notes to form a marked conclusion. Note that "mixed singers" are not uncommon in areas where both species of treecreepers occur.

Song: