Semipalmated Sandpiper (Calidris pusilla) August 3, 2020 1894 × 1263 Semipalmated Sandpiper (Calidris pusilla) Semipalmated Sandpiper (Calidris pusilla), August 2017, Oceanside. Migrant. NEAR-THREATENED. Early August, 2017. Oceanside, New York. Shores. Migrant. NEAR-THREATENED (IUCN).