Population information

Order name Charadriiformes
Family name Laridae
Scientific name Chlidonias niger Common name Black Tern
Population name surinamensis
Breeding range S Canada, N USA Non-breeding range Coasts S Mexico - Peru, Gulf of Mexico - Guianas
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 1 0 0 -1 -1
WPE 2 0 0 -1 -1
WPE 3 0 0 150,000 750,000 [R387]
WPE 4 0 0 150,000 750,000 [R387]
WPE 5 2001 2011 300,000 750,000 [S7440] [R387]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1966 1991 DEC [R635]
WPE 2 1966 1996 STA [R565]
WPE 3 1966 2000 DEC [R563]
WPE 4 1966 2000 DEC [R563]
WPE 5 1966 2000 DEC [T5150] [R563]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 4500
WPE 4 2006 4500
WPE 5 2012 4700

References

  • R635 - Trapp, J. (pers. comm.). 1993. Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.
  • 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

  • S7440 - 300,000-450,000 in Canada (Environment Canada 2012); start yr based on Kushlan et al 2002; end year based on Canada estimate
  • T5150 - No new data



Copyright Wetlands International 2012

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