Population information

Order name Charadriiformes
Family name Laridae
Scientific name Gelochelidon nilotica Common name Common Gull-billed Tern
Population name aranea
Breeding range E USA coast S to Caribbean Islands, Yucatan Non-breeding range Coasts of southern USA, Central America S to Peru & Brazil
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 10,000 25,000 [R387]
WPE 4 0 0 10,000 25,000 [R387]
WPE 1 0 0 10,000 10,000 [R165]
WPE 2 0 0 10,000 10,000 [R165]
WPE 5 2000 2007 12,600 18,800 [S7297] [R1021] [R1127]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1992 2000 STA? [R510]
WPE 4 1992 2000 STA? [R510]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1974 2005 DEC [R1127]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 0 -1
WPE 4 2006 250
WPE 1 1994 100
WPE 2 1997 100
WPE 5 2012 150

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.
  • R510 - Parnell, J.F., Erwin, R.M. and Molina, K.C. 1995. Gull-billed Tern (Sterna nilotica). In: The birds of North America, No 140. (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA and The American Ornithologists' Union, Washington D.
  • R165 - Croxall, J.P., Evans, P.G.H. and Schreiber, R.W. (eds.). 1984. Status and Conservation of the World's Seabirds. ICBP Technical Publication No. 2. Cambridge, UK.
  • R1021 - Birdlife International. 2008a. Caribbean Waterbird Reports. Downloaded from: http://www.birdlife.org/action/science/species/waterbirds/downloads.html
  • R1127 - Molina, K.C. and Erwin, R. M. 2006. The Distribution and Conservation Status of the Gull-billed Tern (Gelochelidon nilotica ) in North America. Waterbirds 29(3): 271-295

Notes

  • S7297 - 1,800-5,500 for Caribbean; 3,608-4,432 Br. Pairs for USA



Copyright Wetlands International 2012

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