Population information

Order name Ciconiiformes
Family name Threskiornithidae
Scientific name Geronticus calvus Common name Southern Bald Ibis
Population name Southern Africa
Breeding range S African highlands 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 1 1993 1993 5,000 8,000 [R665]
WPE 2 0 0 5,000 8,000 [R667]
WPE 3 1999 1999 8,000 10,000 [R68]
WPE 4 0 0 8,000 10,000 [S4320] [R37]
WPE 5 0 0 8,000 10,000 [S7896] [R37]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 STA [R665]
WPE 2 1986 1996 STA [R667]
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 1995 2005 DEC [R64]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 65
WPE 2 1997 65
WPE 3 2002 90
WPE 4 2006 90
WPE 5 2012 90

References

  • R665 - Unpublished information provided by IWRB Specialist Research Groups
  • R667 - Unpublished information supplied by Wetlands International Specialist Groups, 1997.
  • R68 - BirdLife International. (2000). Threatened Birds of the World. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife international
  • R37 - Barnes, K. N., ed. 2000. The Eskom Red Data Book of birds of South Africa, Lesotho and Swaziland. Johannesburg: BirdLife South Africa.
  • R64 - BirdLife International. 2005. Threatened birds of the world 2005. Species factsheets available at?www.birdlife.org

Notes

  • S4320 - 38 provides an estimate of 2,000 breeding pairs and 8,000 - 10,000 individuals altogether.
  • S7896 - 38 provides an estimate of 2,000 breeding pairs and 8,000 - 10,000 individuals altogether.



Copyright Wetlands International 2012

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