Population information

Order name Charadriiformes
Family name Recurvirostridae
Scientific name Recurvirostra americana Common name American Avocet
Population name N & C America
Breeding range SW Canada, W USA, Coastal NE USA, W Mexico Non-breeding range SW & SE USA, Mexico-Guatemala, Bahamas, Cuba
Red List Category Least Concern
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 -1 -1
WPE 2 0 0 -1 -1
WPE 3 0 0 450,000 450,000 [R472]
WPE 4 0 0 100,000 1,000,000 [S1553] [R473]
WPE 5 0 0 100,000 1,000,000 Best guess [S6886] [R473]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1966 1991 STA [R635]
WPE 2 1966 1996 STA [R565]
WPE 3 1966 2000 STA [R563]
WPE 4 1966 2000 STA [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 4500
WPE 4 2006 10000
WPE 5 2012 10000

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 Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.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.
  • 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.
  • 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

  • S1553 - 479: 450,000 in North American portion of population. Central American population unknown. Great Salt Lake (Utah) Waterbird Survey recorded 204,878 in 1997 (520).
  • S6886 - Morrison et al. 2005: 450,000 in North American portion of population. Central American population unknown. Great Salt Lake (Utah) Waterbird Survey recorded 204,878 in 1997 (Paul, D.S. In litt 2002.).



Copyright Wetlands International 2012

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