Population information

Order name Charadriiformes
Family name Laridae
Scientific name Onychoprion fuscatus Common name Sooty Tern
Population name oahuensis
Breeding range Bonin Is to Hawaii Is & S through pacific Non-breeding range Tropical Pacific Ocean
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 2,000,000 2,000,001 [R165]
WPE 2 0 0 2,000,000 2,000,001 [R165]
WPE 3 0 0 2,000,000 2,000,001 [R165]
WPE 4 0 0 2,000,000 2,000,001 [S2732] [R165]
WPE 5 2004 2011 9,600,000 9,600,000 Census based [S7424] [R1067] [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 2001 2010 STA [T5569] [R1184]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 20000
WPE 2 1997 20000
WPE 3 2002 20000
WPE 4 2006 20000
WPE 5 2012 96000

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.
  • R1067 - Flint, B. In litt. per Freifeld, H. 6 April 2012. (USFWS Pacific Reefs National Wildlife Refuge Complex).
  • 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

  • S2732 - For populations over 2 million birds, Ramsar Convention criterion 5 (20,000 or more waterbirds) applies.
  • S7424 - Estimate based largely on data from US Pacific Islands on number of breeding pairs.
  • T5569 - Some fluctuations but overall trend is stable.



Copyright Wetlands International 2012

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