Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Ardea alba Common name Great White Egret
Population name egretta, North America
Breeding range North America Non-breeding range Partial migrant south of range
Red List Category Least Concern
Ramsar regions North America
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 2 0 0 25,000 1,000,000 [R571]
WPE 3 0 0 270,000 270,000 [R387]
WPE 4 0 0 270,000 270,000 [R387]
WPE 1 0 0 -1 -1
WPE 5 0 0 270,000 270,000 [R387]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1966 1996 INC [R565]
WPE 3 1966 2000 INC [R563]
WPE 4 1966 2000 INC [R563]
WPE 1 0 0 Unknown
WPE 5 1966 2000 INC [R563]

Population 1% level

Publication Yearset 1 percent Note
WPE 2 0 -1
WPE 3 2002 2700
WPE 4 2006 2700
WPE 1 0 -1
WPE 5 2012 2700

References

  • R571 - Schlatter, R. (pers. comm.). 1996. Unpublished information on Southern South American waterbirds.
  • 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.
  • R387 - Kushlan, James, A., Melanie J. Steinkamp, Katharine Parsons, Jack Capp, Martin Acosta Cruz, Malcolm Coulter, Ian Davidson, Loney Dickson, Naomi Edelson, Richard Elliot, R. Michael Erwin, Scott Hatch, Stephen Kress, Robert Milko, Steve Miller, Kyra Mills, Richard Paul, Roberto Phillips, Jorge E. Saliva, Bill Sydeman, John Trapp, Jennifer Wheeler, and Kent Wohl. 2002. North American Waterbird Conservation Plan, Version 1. Waterbird Conservation for the Americas, Washington, DC, USA.
  • 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.

Notes




Copyright Wetlands International 2012

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