Species:

Great Shearwater (Ardenna gravis)

Sparrowhawk (Accipiter nisus)

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Length (cm):
43-51
28-38
Wingspan (cm):
100-118
55-70
Weight (gram):
715-950
110-342
Size group:
Crow-size
Crow-size
Main Texts:
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

Appearance:

Small raptor with long tail and short, rounded wings. Quite similar to Goshawk, and female Sparrowhawks may approach male Goshawks in size (female much larger than male in both species). Upperparts grey in male, and brownish in female and juvenile. Underparts barred in buff in male, and brown barring in female and juveniles. Supercilium may be prominent in females. Less bulky than Goshawk, with more slender hips and less deep chest. The sharper corners of the tail is visible when soaring.

Sound:

Series of short "ke-ke-ke-ke-ke", with rising pitch. Less resonant and less full than similar call of Goshawk, and much faster. Also a short "peeaaaa", shorter and more squeaky than Buzzard.

Alarm 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

Similar species (image):
Similar species (sound):
Silhouette Group:
Gull-like
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Raptors
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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