Population information

Order name Charadriiformes
Family name Laridae
Scientific name Larus pipixcan Common name Franklin's Gull
Population name Americas
Breeding range SC Canada, NC USA Non-breeding range Pacific coasts Central & S America
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 0 100,000 1,000,000 [R571]
WPE 3 0 0 470,000 1,490,000 [R387]
WPE 4 0 0 470,000 1,490,000 [R387]
WPE 5 2001 2011 1,000,000 1,490,000 [S7277] [R1274]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1966 1991 DEC [R635]
WPE 2 1966 1996 INC [R565]
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 0 0 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 9800
WPE 4 2006 9800
WPE 5 2012 12200

References

  • R635 - Trapp, J. (pers. comm.). 1993. Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.
  • R571 - Schlatter, R. (pers. comm.). 1996. Unpublished information on Southern South American waterbirds.
  • 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.
  • R1274 - Environment Canada. 2012. Status of Birds in Canada 2011: http://www.ec.gc.ca/soc-sbc/index-eng.aspx?sY=2010andsL=e)

Notes

  • S7277 - Environment Canada 2012. 300,000-450,000 in Canada; start yr based on Kushlan et al 2002; end year based on Canada estimate



Copyright Wetlands International 2012

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