Pectoral Sandpiper (Calidris melanotos) October 11, 2018 640 × 427 Pectoral Sandpiper (Calidris melanotos) Pectoral Sandpiper (Calidris melanotos), March 2014, Montauk. Migrant. DECLINING. Late March, 2014. Montauk, New York. May visit grassy mudflats in migration. Migrant. DECLINING.