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White-rumped Sandpiper

Calidris fuscicollis

Order:
Charadriiformes
Family:
Scolopacidae
Sections
  • Authors: Parmalee, David F.
  • Published: Jan 1, 1992
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Figure 1. Breeding and wintering (Dec-Apr) ranges of the White-rumped Sandpiper.

See text for key migration routes and staging areas.

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Adult White-rumped Sandpiper, breeding plumage; Texas, May

 Alternate plumage: note well-defined buffy-white supercilium; pinkish-buff tinge to auriculars (side of head behind eye) and scapulars (fore areas of wing - shoulders).  ; photographer Brian E. Small

© Cornell Lab of Ornithology
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Adult White-rumped Sandpiper, non-breeding plumage; NY State, September

Basic plumage; note pale base to lower mandible, a distinctive feature. ; photographer Arthur Morris

© Cornell Lab of Ornithology

This small Nearctic sandpiper migrates from its principal breeding ground in the Canadian Arctic to the southern extremities of South America, one of the longest animal migrations in the Western Hemisphere. Much of its migration is made in a few, long, non-stop flights, each of which can last as long as 60 hours and transport these birds up to 4,000 kilometers, powered by extensive body fat. Such fat reserves are laid down at key migration staging areas—wetlands where food is especially abundant—making this bird particularly vulnerable to loss of strategic habitat. Southbound migrants fly over the Atlantic Ocean from northeastern North America to northern South America, and then gradually move southeast along the coast before turning inland in trans-Amazonian travel of about one month. Northward migration from Patagonia is apparently similar, at least through South America; the birds then move across the Caribbean and through interior North America to arctic breeding grounds.

As a breeder, the White-rumped Sandpiper occupies wet, hummock-tundra near marshy ponds, nesting on the ground and laying four, distinctive, pale to olive green eggs, spotted with reddish-brown. It performs elaborate courtship and territorial displays, and is vocal near its nest. It usually forages in small groups, but individuals also defend feeding territories.

This species associates freely with other sandpipers; its highly visible white patch behind the rump and distinct call are its best field characters.

Recommended Citation

Parmalee, David F.. (1992). White-rumped Sandpiper (Calidris fuscicollis), The Birds of North America (P. G. Rodewald, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America: https://birdsna.org/Species-Account/bna/species/whrsan

DOI: 10.2173/bna.29