Species:

Gyrfalcon (Falco rusticolus)

Reed Warbler (Acrocephalus scirpaceus)

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Length (cm):
50-60
13-13
Wingspan (cm):
130-160
17-21
Weight (gram):
805-2100
10-16
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:

Plain and characterless warbler with secretive behaviour. Larger than Sedge Warbler, with larger wings, broader tail and tail-base. Very similar to Marsh Warbler, and very hard to distinguish by plumage alone. Rump of Reed warbler warm rufous brown, warm buff flanks (yellowish tinge in Marsh Warbler), and slightly longer and more pointed bill. Differs from Blyth's Reed Warbler by longer primary projection, yellowish lower mandible and paler legs. Juveniles especially hard to identify, because of even fainter plumage field marks. Attached to reed beds.

Sound:

By far easiest to identify by song: Characteristic, almost metric and even rhythm, very different from Sedge Warbler. Squeaky timbre with many, almost bizarre, harmonics. Phrases generally repeated 2-3 times. Alarm call a harsh, dry and rolling "kraaaat".

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

Similar species (sound):
Silhouette Group:
Raptors
Silhouette
Warbler-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
Error loading Flash for sound!
See sound file
Error loading Flash for sound!
See sound file