Population information

Order name Charadriiformes
Family name Scolopacidae
Scientific name Numenius americanus Common name Long-billed Curlew
Population name americanus
Breeding range West Central USA Non-breeding range California & Texas S to Mexico & Guatamala
Red List Category Least Concern
Ramsar regions 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 -1 -1
WPE 2 0 0 -1 -1
WPE 3 0 0 13,500 13,500 [R468]
WPE 4 0 0 27,000 27,000 [S856] [R473]
WPE 5 2012 2012 98,000 198,000 Census based [R1007]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1966 1991 STA [R635]
WPE 2 1966 1996 DEC [R565]
WPE 3 1966 2000 DEC [R563]
WPE 4 1966 2000 DEC [R563]
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 2002 140
WPE 4 2006 270
WPE 5 2012 1400

References

  • R635 - Trapp, J. (pers. comm.). 1993. Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.
  • R565 - Sauer, J.R., Schwartz, S., Peterjohn, B.G. and Hines, J.E. 1996. The North American Breeding Bird Survey Home Page. Version 94.3 Natl. Biol. Serv., Patuxtent Wildlife Research Center, Laurel MD. URL: http://www.mbr.nbs.gov/bbs/bbs.html.
  • R468 - Morrison, G in litt. 1999
  • R563 - Sauer, J. R., J. E. Hines, and J. Fallon. 2001. The North American Breeding Bird Survey, Results and Analysis 1966 - 2000. Version 2001.2, USGS Patuxent Wildlife Research Center, Laurel, MD.
  • 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

  • S856 - 479 estimate 40,000 for both populations combined. Subspecies estimates based on earlier, lower, separate estimates.



Copyright Wetlands International 2012

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