Bird name:

Semipalmated Sandpiper

Calidris pusilla

Order

CHARADRIIFORMES

Family

Sandpipers (Scolopacidae)

Code 4

SESA

Code 6

CALPUS

ITIS

176667

Breeding Location:

Tundra

Breeding Type:

Monogamous

Breeding Population:

Fairly common to common

Egg Color:

White to olive buff blotched with brown

Number of Eggs:

2 - 4

Incubation Days:

18 - 22

Egg Incubator:

Both sexes

Nest Material:

Lined with grass.

Migration:

Migratory

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General

Semipalmated Sandpiper: Small sandpiper with scaled gray-brown upperparts, white underparts, and fine streaks on breast and sides. Bill is short, stout, and straight. Legs and feet are black. Sexes are similar. Winter adult is grayer.

Range and Habitat

Semipalmated Sandpiper: Breeds in lower Arctic regions from western Alaska to Labrador. Migrates through the interior and along the Atlantic coast to reach its wintering grounds, which extend from the southern U.S. to South America. Preferred habitats include shorelines and mudflats.

Breeding and Nesting

Semipalmated Sandpiper: Two to four brown blotched, white to olive buff eggs are laid in a ground hollow lined with grass. Incubation ranges from 18 to 22 days and is carried out by both parents. Female abandons young after few days. First flight is at 14 to 19 days.

Foraging and Feeding

Semipalmated Sandpiper: Feeds on insects and crustaceans; forages on mudflats.

Vocalization

Semipalmated Sandpiper: Utters a short "churk" or "churp"; gives a monotonous "kee-kee-kee-kee" when breeding.

Similar Species

Semipalmated Sandpiper: Least Sandpiper is browner and has yellow legs. Western Sandpiper has longer bill.

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden.

Underparts

Belly, undertail coverts, chest, flanks, and foreneck.

Upperparts

Back, rump, hindneck, wings, and crown.

Breast

The upper front part of a bird.

4 and 6 letter alpha codes

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

Field Guide to Birds of North America