Population information

Nom ordre Charadriiformes
Nom famille Laridae
Nom scientifique Thalasseus elegans Nom courant Elegant Tern
Nom population Pacific N America
Aire de reproduction Pacific coast S California & Gulf of California, Mexico Aire de non-reproduction Pacific coast California to Chile
Catégorie de la Liste Rouge Near Threatened
Regions Ramsar Neotropics North America
Notes

Réseau de conservation

Réseau de conservation Notes
Pas des Réseaux de conservation
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 51,000 90,000 No quality assessment [R387]
WPE 4 0 0 51,000 90,000 No quality assessment [R387]
WPE 1 0 0 250,000 250,000 No quality assessment [R164]
WPE 2 0 0 250,000 250,000 No quality assessment [R164]
WPE 5 2003 2005 270,000 270,000 No quality assessment [R1186]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1957 1992 FLU No quality assessment [R104]
WPE 4 1957 1992 FLU No quality assessment [R104]
WPE 1 0 0 Unknown No quality assessment
WPE 2 0 0 Unknown No quality assessment
WPE 5 1957 1992 FLU No quality assessment [R104]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 700
WPE 4 2006 700
WPE 1 1994 2500
WPE 2 1997 2500
WPE 5 2012 2700

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.
  • R104 - Burness, G., Lefevre, K. and Collins, C. 1999. Elegant Tern (Sterna elegans). In: The birds of North America, No 404. (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA and The American Ornithologists' Union, Washington D.C.
  • R164 - Croxall, J.P. (ed.). 1991. Status and Conservation of the World's Seabirds: A Supplement. ICBP Technical Publication No. 11. Cambridge, UK.
  • R1186 - Velarde, E., Cartron, J-L. E.., Anderson, D.W., Reb?n Gallardo, F., Palacios, E. and Rodr?guez, C.. 2005. Nesting seabirds of the Gulf of California?s offshore islands: diversity, ecology, and conservation. Pages 452-470 in Biodiversity, Ecosystems, and Conservation in Northern Mexico (J-L. Cartron, G. Ceballos and R. S. Felger, Eds.). Oxford University, Oxford. Cited in: Mellink, E., Palacios, E. and Amador, E. 2007. Colonies of Four Species of Terns and the Black Skimmer in Western Mexico. Waterbirds 30(3): 358-366.

Notes




Copyright Wetlands International 2012

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