Species:

Arctic Tern (Sterna paradisaea)

Senegal Thick-knee (Burhinus senegalensis)

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Length (cm):
33-35
32-38
Wingspan (cm):
75-85
75-80
Weight (gram):
95-120
0-0
Size group:
Crow-size
Crow-size
Main Texts:
Appearance:

Differs from Common Tern in shorter head, and blood-red bill. Legs shorter, but tail streamers longer (extends well past wings in sitting birds). Underparts of primaries with sharply bordered dark trailing edge (diffusely bordered in Common Tern). Both primaries and secondaries transparent to sunlight. Crest less apparent than in Common Tern and underside greyer. Cheeks white just below the black cap, often in contrast to grey lower cheeks. Juveniles lacks buff coloured back.

Sound:

Similar to Common Tern but higher pitched. Typical call a series of high pitched "tip-tip-tip", and longer, ringing, high-pitched "kriiiiii" calls. The drawn out "kree-aaahh" call falls less distinctly in pitch than Common Tern.

Calls:

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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:Stein Ø. Nilsen, Licence,Link.

Appearance:

This species is UNPUBLISHED. Description is not yet completed. Species on the WP-syllabus have priority.

Sound:


Distribution:

Ecology:

Links:

CC

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