The semipalmated sandpiper, Calidris pusilla, breeds along the coasts of northern Alaska and northern Canada between June and August.

Often they are found on mudflats feeding together with their close relatives, the Least and Western sandpipers. The word "Semipalmated," referring to the birds' ...

Calidris pusilla: Breeds Arctic North America; winters to s South America. Source: Clements checklist. English: Semipalmated Sandpiper Catalan ...

Criteria: A2bcd · Justification of Red List category. This species is listed as Near Threatened because it is estimated to have undergone a moderately rapid ...

In breeding plumage, fairly pale grayish brown, sometimes with brighter rusty cap and cheek. Nonbreeding is plain gray above and white below. Juveniles have ...

Bird in the Calidris Genus. Kingdom: Animalia Phylum: Craniata Class: Aves Order: Charadriiformes Family: Scolopacidae Species: Calidris pusilla

Jun 27, 2013 · The most common shorebird I encounter lately is the Semipalmated Sandpiper. When displaying, the male flies about, even hovering with wings in rapid motion, ...

Semipalmated Sandpiper (Calidris pusilla) · Taxonomy: · Listing Status: Not Listed · General Information · » Range Information · US Counties in which the ...

Vulnerability: 3, Confidence: Medium, Reviewers: 4. Calidris pusilla is listed as a species of Special Concern in Maine. Habitats Assigned to Semipalmated ...

This species is conservatively estimated to have declined at a rate approaching 30% over three generations (22 years). Determining the exact population ...