Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Bubulcus ibis Common name Cattle Egret
Population name ibis, North America
Breeding range USA (S Canada?) Non-breeding range S USA, Caribbean & Central America
Red List Category Least Concern
Ramsar regions Neotropics North America
Notes Often placed in genus Ardea.

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 1993 1993 100,000 1,000,000 [R665]
WPE 2 0 0 100,000 1,000,000 [R667]
WPE 3 0 0 1,000,000 1,000,001 [R387]
WPE 4 0 0 1,000,000 1,000,001 [R387]
WPE 5 0 0 1,000,000 1,000,001 Best guess [S7666] [R387]

Population trends

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

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 20000

References

  • R665 - Unpublished information provided by IWRB Specialist Research Groups
  • R635 - Trapp, J. (pers. comm.). 1993. Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.
  • R667 - Unpublished information supplied by Wetlands International Specialist Groups, 1997.
  • 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

  • S7666 - Apparently does not breed in Canada anymore, certainly not in Ontario (Weseloh, C. In litt. 2012)



Copyright Wetlands International 2012

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