Species:

Marsh Harrier (Circus aeruginosus)

Great Shearwater (Ardenna gravis)

Change species:
Main Images:
Length (cm):
48-56
43-51
Wingspan (cm):
115-130
100-118
Weight (gram):
405-800
715-950
Size group:
Crow-size
Crow-size
Main Texts:
Appearance:

Male; brown body, light grey wings with black tips, and brown coverts. Unmarked light grey tail. Female; dark brown with light brown wing-coverts, crown and throat. Tail warm brown and unmarked. Juveniles dark, chocolate-brown, with light buff crown and throat. Young males may show characters of both sexes. Tail fairly long and unforked. Glides with wings raised in shallow V.

Sound:

Call: A sharp "kwii-uuu" of about a seconds length, rapidly ascending in pitch, and ending on a falling tone.

Contact call:

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

Sounds:Recorded by Jarek Matusiak,http://www.xeno-canto.org ,CC license

Appearance:

Large shearwater with distinct, marked, dark cap and white collar. Blotched belly and underwings. White upper tail-coverts forms a horseshoe mark, but note that Cory's Shearwater may show the same. Dark patch at side of neck. Bill dark. Flight action powerful, with alternating glides and rapid bursts of beats with stiff wings. Seldom soars.

Sound:

Calls at breeding ground a deep, soft, moaning "oooh-aahh" ("surprised or shocked old lady"). Tone fairly clear, and pitch rising and falling.

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

CC

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