Species:

Sanderling (Calidris alba)

Great Shearwater (Ardenna gravis)

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Length (cm):
20-21
43-51
Wingspan (cm):
40-45
100-118
Weight (gram):
44-70
715-950
Size group:
Thrush-size
Crow-size
Main Texts:
Appearance:

An energetic, stocky and robust wader. Black legs and bill. Black wing-bend (not always visible), and broad white wing-bars framed in black. Summer plumage with rufous head and back. Winter and juvenile plumaged birds gives a much whiter impression than all congeners, with light grey upperparts and pure white underside. Juveniles with star-shaped, black markings on back. Lacks hind toe.

Sound:

Call not very diagnostic; a short and soft "pleet" or "keek".

Contact 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:

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:
Waders
Silhouette
Gull-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