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- Calidris bairdii
Identification
Distribution
Breeds in north-east Siberia on Wrangel Island and the Chukotski Peninsula and across northern North America to Greenland.
In winter found in South America from southern Ecuador to Tierra del Fuego. Main migratory route in autumn is via the Great Plains in late July-August, juveniles migrate rather later and sometimes wander to eastern Canada. Spring movement across North America is mainly in April-early May, again most travel through the interior.
In the Western Palearctic recorded in many European countries north to Iceland, Scandinavia and Poland and south to Greece, also on the Azores.
However, most records come from Britain (c.170) where now up to 6 are recorded annually, mainly in July-October and very occasionally in spring. Most occur in the south-west but there have been many east coast records, suggesting that some may arrive from the east.
Taxonomy
Habitat
Usually seen on freshwater marshes, riverbanks and lakesides rather than coastal habitats but also on coastal and brackish marshes and adjacent grassland.