Population information

Order name Charadriiformes
Family name Charadriidae
Scientific name Charadrius sanctaehelenae Common name St Helena Plover
Population name Saint Helena
Breeding range Saint Helena Non-breeding range
Red List Category Vulnerable
Ramsar regions Africa
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 2 1993 1993 315 315 [R138]
WPE 3 2001 2001 435 435 [R190]
WPE 4 0 0 350 370 [S1652] [R438]
WPE 1 0 0 495 495 [R437]
WPE 5 2007 2010 350 370 Census based [S6924] [R1293]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1970 1994 DEC [R138]
WPE 3 1991 2001 STA [R190]
WPE 4 1991 2001 STA [R190]
WPE 1 0 0 Unknown
WPE 5 2007 2010 DEC Good [R1293]

Population 1% level

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

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.
  • R190 - Dodman, T. 2002. Waterbird Population Estimates in Africa. Unpublished report to Wetlands International.
  • R438 - McCulloch, N. in litt. (2003).
  • R437 - McCulloch, M.N. 1991. Status, habit and conservation of the St Helena wirebird (Charadrius sanctaehelenae). Bird Conservation International (1991): 1: 361-392
  • R1293 - BirdLife International. 2010a. Charadrius sanctaehelenae. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded?on 15?May?2012.

Notes

  • S1652 - 450 in 1988-1989, 315 in 1993 and 435 in 2001 (192). 350-370 estimated in 2003 (444).
  • S6924 - Surveys in 2008-2010 found 373 and 397 mature individuals. Full Jan survey sin 2007-2010 located 397 and 297 (average 353 adults).Therefore the population estimate of 50-279 mature individuals is precautionarily retained here.



Copyright Wetlands International 2012

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