Population information

Order name Ciconiiformes
Family name Threskiornithidae
Scientific name Plegadis falcinellus Common name Glossy Ibis
Population name falcinellus, North & Central America, Caribbean
Breeding range Coastal E USA, Gulf of Mexico, Caribbean Non-breeding range
Red List Category Least Concern
Ramsar regions Neotropics 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 3 0 0 19,500 22,500 [R387]
WPE 1 1993 1993 1 10,000 [R665]
WPE 4 0 0 19,500 22,500 [R387]
WPE 2 0 0 1 10,000 [R667]
WPE 5 0 0 19,500 22,500 Best guess [S7861] [R387]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 0 0 DEC [R177]
WPE 1 1966 1991 STA [R635]
WPE 4 1977 1985 DEC [R172]
WPE 2 1986 1996 STA [R667]
WPE 5 1977 1985 DEC [R172]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 210
WPE 1 0 -1
WPE 4 2006 210
WPE 2 0 -1
WPE 5 2012 210

References

  • 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.
  • R177 - Degtyarev, A.G. 1991: Aerial Surveys of Ross's Gull (Rhodostethia rosea) in the tundra of Yakutia. Zoologitski Zhurnal 70: 81-85.
  • R665 - Unpublished information provided by IWRB Specialist Research Groups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 Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.
  • R172 - Davis Jr., W.E. and Krider, J. 2000. Glossy Ibis (Plegadis falcinellus). In: The birds of North America, No 545. (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA and The American Ornithologists' Union, Washington D.C.
  • R667 - Unpublished information supplied by Wetlands International Specialist Groups, 1997.

Notes

  • S7861 - No new estimate for USA. Estimate of 1,750-2,750 for Central America (BirdLife International 2008a) and estimate of 25,000-100,000 for Cuba (Acosta-Cruz and Mugica-Vald?s 2006).



Copyright Wetlands International 2012

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