Semipalmated Sandpiper (Calidris pusilla)

Sandpipers are really difficult to identify to species level, because when their migration reaches Costa Rica, they are usually on non-breeding plumage, which is virtually identical for all of them. In this case, I could distinguish this Semipalmated Sandpiper because it was found near a group of Least Sandpipers, who still had their breeding plumage. Both species are pretty similar, however the Semipalmated has black legs, and the breeding Least Sandpiper has a lot more coloration on the back.

Semipalmated Sandpiper, Non-breeding Plumage - Calidris pusilla - Correlimos Semipalmado, Plumage No Reproductivo

Semipalmated Sandpiper wading in the shallows. Water was highly reflective during the afternoon, so most of the surface was too bright

One thought on “Semipalmated Sandpiper (Calidris pusilla)

  1. Pingback: Least Sandpiper (Calidris minutilla) | The Nature Admirer

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