Population information

Order name Charadriiformes
Family name Scolopacidae
Scientific name Calidris maritima Common name Purple Sandpiper
Population name E Hudson Bay and James Bay in Canada (belcheri)
Breeding range Belcher Islands, Hudson Bay, Canada Non-breeding range New Brunswick, E Canada
Red List Category Least Concern
Ramsar regions North America
Notes Population added in WPE3. Considerable geographical variation in size may warrant recognition of at least two subspecies. Proposed race groenlandica (Greenland).

Conservation Framework

Conservation framework Notes
No conservation frameworks

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 1 15,000 [R472]
WPE 4 0 0 -1 -1
WPE 5 2012 2012 15,000 15,000 Census based [R1007]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 2003 2012 DEC? No idea [R1007]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 150
WPE 4 0 -1
WPE 5 2012 150


  • R472 - Morrison, R.I.G., Gill, Jr., R.E., Harrington, B.A. Skagen, S., Page, G.W., Gratto-Trevor, C.L. and Haig, S.M. (2001) Estimates of shorebird populations in North America. Occasional Paper No. 104, Canadian Wildlife Service, Ottawa, Ontario. 64pp.
  • R1007 - Andres, B.A., Smith, P.A., Gratto-Trevor, C.L. & Morrison, R.I.G. 2012. Population estimates of North American shorebirds. In prep. [Temporary reference; final title to be confirmed.]


Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on