Species:

Roseate Tern (Sterna dougallii)

Broad-billed Sandpiper (Calidris falcinellus)

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Length (cm):
33-38
16-17
Wingspan (cm):
72-80
37-39
Weight (gram):
92-133
30-49
Size group:
Crow-size
Thrush-size
Main Texts:
Appearance:

Differs from Common and Arctic Tern by; noticably shorter wings, longer streamers, much paler grey upperparts, pure white underparts (faint rosy wash not very conspicuous), black bill (red base in breeding birds), dark outer primaries and no dark edge to inner primaries. Amount of red in bill increases as breeding season progresses, but also varies geographically. Wingbeats shallower and much quicker than in Common and Arctic Tern. Fishes with characteristic diagonal dives. Despite the long streamers, the birds appear short-tailed in flight, but head and bill are long and slender. The pale plumage, dark bill and giss recalls a small Sandwich Tern. Adult winter plumage with all dark bill and white forehead. Juveniles resembles juvenile Sandwich Terns, with more complete dark cap than Arctic and Common, and much more contrasting markings on back (especially to wings).

Sound:

Extremely harsh calls. Like mix of Caspian and Arctic Tern. Very hard and raspy "kreeeet", harder and higher pitched than Caspian Tern, but equally harsh. Other calls include more Arctic/Common tern-like short "kek", and similar.

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

CC

CC-photo:USFWS/Southeast, Licence,Link.

CC-photo:Werner Witte, Licence,Link.

CC-photo:Anita363, Licence,Link.

CC-photo:Mike Prince, Licence,Link.

Appearance:

Can be mistaken for a Dunlin but differs in characteristic double supercilium, unmarked belly and shorter legs. Bill is thicker, almost swollen at base, and more distinctly bent at tip. Overall impression much more contrasty than Dunlin. Winter plumage with dark centres of tertials, and finely striped crown. Juveniles with white V-shaped markings on back, similar to Little Stint. Wing bars and tail markings resembles Dunlin in flight. Moves relatively slow when feeding.

Sound:

Distinct contact call. A trilling "drrroiiit" with a peculiar timbre, ending with a rapid rise of pitch. Song often preceded by the contact call, which then fuses into a continuous vibrating trill.

Song:

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

CC

CC-sound:Patrik Åberg, Licence,Link.

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