Population information

Order name Charadriiformes
Family name Scolopacidae
Scientific name Calidris pusilla Common name Semipalmated Sandpiper
Population name Alaska (bre)
Breeding range W & N Alaska Non-breeding range Pacific Coast Mexico to S Peru
Red List Category Near Threatened
Ramsar regions Neotropics North America
Notes

Conservation Framework

Conservation framework Notes
WHSRN
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 3,200,000 3,900,000 [R312]
WPE 2 0 0 -1 -1
WPE 3 0 0 3,500,000 3,500,000 [R472]
WPE 4 0 0 2,000,000 2,500,000 [S1130] [R473]
WPE 5 2012 2012 405,000 405,000 Census based [R1007]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1966 1991 STA [R635]
WPE 2 1976 1991 STA [R469]
WPE 3 1988 1998 STA [R472]
WPE 4 1991 2001 DEC [R473]
WPE 5 2003 2012 STA Good [R1007]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 0 -1
WPE 4 0 -1
WPE 5 2012 4100

References

  • R312 - Hicklin, P. (pers. comm.) 1993. Summary of unpublished data to IWRB.
  • R635 - Trapp, J. (pers. comm.). 1993. Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.
  • R469 - Morrison, R.G. et al. 1994. In: Hyslop, C. and Kennedy, J.A. (eds.). Bird Trends No. 3. Canadian Wildlife Service publication.
  • 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.
  • R473 - Morrison, R.I.G., McCaffery, B.J., Skagen, S., Andres, B., Page, G., Jones, S., and Gill, R.E. 2005. Population estimates of North American shorebirds, 2005. Draft MS.
  • 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.]

Notes

  • S1130 - 479 presents an estimate for the 3 populations combined of 2,000,000 to 2,500,000 and recommends use of a midpoint of 2,250,000.



Copyright Wetlands International 2012

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