Western Sandpiper

Calidris mauri (Cabanis, 1857) ER WESSA 4990
Family: Charadriiformes > Scolopacidae

Western Sandpiper, Simon Gillings

As its name suggests, this counterpart of the Semipalmated Sandpiper (which it resembles very closely) breeds in western North America, a factor that may explain why this small wader remains an extremely rare visitor to Britain & Ireland.

Select a topic for more facts and statistics about the Western Sandpiper

  • Breeding
  • Winter
431 records observations recorded by BTO surveyors
431 records



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Status and Trends

Population size and trends and patterns of distribution based on BTO surveys and atlases with data collected by BTO volunteers.


This species can be found on the following statutory and conservation listings and schedules.


We have no population estimates for this scarce species.


Western Sandpiper is a very rare vagrant with most records in autumn and winter.

Weekly occurence of Western Sandpiper from BirdTrack
Weekly occurrence patterns (shaded cells) and reporting rates (vertical bars) based on BirdTrack data. Reporting rates give the likelihood of encountering the species each week.


Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.


View a summary of recoveries in the Online Ringing Report.


Lifecycle and body size information about Western Sandpiper, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.


Sample sizes are too small to report Productivity and Nesting statistics for this species.


For information in another language (where available) click on a linked name

Welsh: Pibydd y Gorllewin
Catalan: territ d'Alaska
Czech: jespák aljašský
Danish: Alaska-ryle
Dutch: Alaskastrandloper
Estonian: alaska risla e. alaska rüdi
Finnish: tundrasirri
French: Bécasseau d’Alaska
German: Bergstrandläufer
Hungarian: alaszkai partfutó
Icelandic: Hólmatíta
Irish: Gobadáinín Iartharach
Italian: Gambecchio dell’Alaska
Latvian: Alaskas šnibitis
Lithuanian: aliaskinis begikas
Norwegian: Beringsnipe
Polish: biegus alaskanski
Portuguese: pilrito-miúdo
Slovak: pobrežník aljašský
Slovenian: aljaški prodnik
Spanish: Correlimos de Alaska
Swedish: tundrasnäppa

Links to more information from ConservationEvidence.com

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