Population information

Order name Charadriiformes
Family name Laridae
Scientific name Sternula nereis Common name Fairy Tern
Population name horni
Breeding range SW Western Australia Non-breeding range SW to NW Western Australia
Red List Category Vulnerable
Ramsar regions Oceania
Notes From WPE6 onwards, no longer considered viable subspecies.

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 2 1993 1993 1 6,000 No quality assessment [R138]
WPE 3 1999 1999 6,060 6,060 No quality assessment [R68]
WPE 4 2005 2005 6,060 6,060 No quality assessment [S2681] [R64]
WPE 1 0 0 -1 -1 No estimate
WPE 5 2009 2009 9,000 15,000 Expert opinion [S7402] [R1076]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1970 1994 DEC No quality assessment [R138]
WPE 3 1990 2000 STA No quality assessment [R68]
WPE 4 1995 2005 STA No quality assessment [R64]
WPE 1 0 0 Unknown No quality assessment
WPE 5 2001 2010 STA Reasonable [T5547] [R1076]

Population 1% level

Publication Yearset 1 percent Note
WPE 2 1997 60
WPE 3 1997 60
WPE 4 1997 60
WPE 1 -1 -1 Not Set
WPE 5 2012 120

References

  • R138 - Collar, N.J., Crosby, M.J. and Stattersfield, A.J. 1994. Birds to Watch 2. The World List of Threatened Birds. BirdLife Conservation series No. 4. BirdLife International, Cambridge, UK. 407 pp.
  • R68 - BirdLife International. (2000). Threatened Birds of the World. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife international
  • R64 - BirdLife International. 2005. Threatened birds of the world 2005. Species factsheets available at www.birdlife.org
  • R1076 - Garnett, S.T., Szabo, J.K. and Dutson, G. 2010. The Action Plan for Australian Birds 2010. CSIRO Publishing, Melbourne.

Notes

  • S2681 - BirdLife International (2005) estimate 2,021 pairs (6,063 individuals).
  • S7402 - Estimate and trend based on number of breeding pairs.
  • T5547 - Estimate and trend based on number of breeding pairs.



Copyright Wetlands International 2012

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