Population information

Order name Charadriiformes
Family name Laridae
Scientific name Onychoprion lunatus Common name Grey-backed Tern
Population name Pacific Islands
Breeding range Islands of tropical SW Pacific to Hawaii Non-breeding range
Red List Category Least Concern
Ramsar regions Oceania
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 0 100,000 1,000,000 [R165]
WPE 2 0 0 100,000 1,000,000 [R165]
WPE 3 0 0 100,000 1,000,000 [R165]
WPE 4 0 0 100,000 1,000,000 [R165]
WPE 5 2002 2005 100,000 1,000,000 Expert opinion [S7409] [R387] [R1184]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
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 10000
WPE 4 2006 10000
WPE 5 2012 10000

References

  • 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.
  • 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.
  • R1184 - U.S. Fish and Wildlife Service. 2005. Regional Seabird Conservation Plan, Pacific Region. US Fish and Wildlife Service, Migratory Birds and Habitat Programs, Pacific Region, Portland, Oregon. 264 pp.

Notes

  • S7409 - Estimate is based on number of breeding pairs in the US Pacific islands, with allowance for numbers in other parts of range.



Copyright Wetlands International 2012

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