Western Sandpiper Calidris mauri

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Breeding adult

Small, portly sandpiper with black legs and a black slightly drooping bill. Breeding birds have a rusty cap and rusty mottling on the back.

Nonbreeding adult

Small, rather chunky shorebird. The bill is long and slightly drooping, although bill length and shape is quite variable among individuals and is not diagnostic on its own. Nonbreeding birds have little streaking on the breast.

Juvenile

Juveniles look like nonbreeding adults but have a more scaly-looking back with a whiter face.

Juvenile

In flight, rusty shoulder bars on juveniles can be seen at close range. As in most other "peep" sandpipers, note black stripe down the center of the tail.

Breeding adult

Small, portly sandpiper with black legs and a black bill. Looks rather large headed compared to similar species. Breeding adults have rusty highlights in the head and shoulders.

Nonbreeding adult

Small shorebird with a short neck and larger head. Nonbreeding birds are grayish above and white below. Often forages with its head even with or above the body.

Nonbreeding adult with Sanderling

Smaller than a Sanderling. Nonbreeding birds have limited streaking on the breast.

Breeding adult

Breeding birds have a rusty cap and rusty mottling on the back. From a distance its whiter face stands out.

Habitat

Breeds in tundra with dwarf vegetation. Migrates and winters along mudflats, beaches, shores of lakes and ponds, and flooded fields.

Recommended Citation

Western Sandpiper (Calidris mauri), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/wessan