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a small sandpiper, Calidris (or Erolia) alpina, of northern and arctic regions, having a brown back and black breast in summer



(Calidris alpina), also red-backed sandpiper, a bird of the family Charadriidae of the suborder Limicolae. The body length is about 20 cm. The upper parts are reddish brown, and underparts are dark. The dunlin is distributed in the tundras of Eurasia and North America, as well as along the shores of the Baltic and North seas. It is a migratory bird. Unmated birds roam the steppes of Western Siberia and Kazakhstan in the summer. The nests are on the ground. The clutch contains four eggs, which are incubated by both the male and female for 21 to 22 days. The diet consists of small invertebrates.

References in periodicals archive ?
Age-related plumage differences of Dunlins along the East Asian-Australasian Flyway.
In 126 recorded breeding attempts by dunlins, biologists Lars-Ake Flodin and Donald Blomqvist found that 23 percent of the pairs divorced.
The painting of the dunlin was inspired by Lord Ridley's first experience of ringing one of the birds.
The Severn Estuary is the second most important site for waterbirds in Wales, after the Dee Estuary which is home to 129,271 birds and has also seven internationally important species: the mute swan, bewick's swan, shelduck, pintail, shoveler, ringed plover and dunlin.
The best known migration corridor is the East Atlantic Flyway, in which breeding dunlins from eastern Greenland to western Siberia migrate south along the western European and Baltic coasts to their wintering grounds on the coasts of western Europe and northwestern Africa.
squatarola), semipalmated sandpipers (10% of the western breeding population), dunlins (19% of C.
According to Ydenberg, "In the past, dunlins stored up fat reserves in the autumn months so that they could survive the harsh Canadian winters when food is short.
Red phalaropes and dunlins were found in large numbers (> 3000 and > 1000 individuals, respectively) in several different survey periods, whereas semipalmated sandpipers and red-necked phalaropes were found in intermediate numbers (~300 individuals).
Little egrets and avocets are now present in higher numbers than ever before, but familiar species such as ringed plovers and dunlins are at all-time lows, and other coastal waders such as redshanks, curlews and bar-tailed godwits have also experienced a recent decline.
Snipes, curlews, redshanks, lapwings and dunlins were also found to be more common on managed grouse moor.
Birdlife on the moors includes such rare species as golden plovers, dunlins, twites, ring ouzels, red grouse and curlews.