Population information

Order name Gruiformes
Family name Gruidae
Scientific name Balearica regulorum Common name Grey Crowned-crane
Population name regulorum, Southern Africa (N to Angola & S Zimbabwe)
Breeding range S Angola, N Namibia, Botswana, Zimbabwe to SE S Africa Non-breeding range
Red List Category Endangered
Ramsar regions Africa
Notes

Conservation Framework

Conservation framework Notes
AEWA
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 2 1995 1995 1 10,000 [R443]
WPE 4 2005 2005 7,000 9,000 [S13] [R49]
WPE 3 2001 2001 8,000 12,000 [R190]
WPE 1 0 0 -1 -1
WPE 5 2005 2005 7,000 9,000 Expert opinion [R49]
CSR 4 2005 2005 7,000 9,000 Expert opinion [R49]
CSR 5 2005 2005 7,000 9,000 Expert opinion [R49]
CSR 6 2012 2012 7,000 7,500 Expert opinion [R1376]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1985 1995 DEC [R443]
WPE 4 1985 2004 STA [R49]
WPE 3 1991 2001 STA [R190]
WPE 1 0 0 Unknown
WPE 5 1994 2004 STA Poor [R49]
CSR 4 1994 2004 STA Poor [R49]
CSR 5 1994 2004 STA Poor [R49]
CSR 6 2001 2012 DEC Reasonable [T6611] [R1377]

Population 1% level

Publication Yearset 1 percent Note
WPE 2 1997 100
WPE 4 2006 80
WPE 3 2002 100
WPE 1 0 -1
WPE 5 2012 80
CSR 4 0 -1
CSR 5 0 -1

References

  • R443 - Meine, C.D. and Archibald, G.W. (eds.). 1996. The Cranes: status survey and conservation Action Plan. IUCN, Gland, Switzerland and Cambridge, UK. 294 pp.
  • R49 - Beilfuss R., Dodman, T. and Urban, E. (2007) Status of Cranes in Africa in 2005. The Ostrich 78(2): 175-184
  • R190 - Dodman, T. 2002. Waterbird Population Estimates in Africa. Unpublished report to Wetlands International.
  • R1376 - Morrison, K and Baker, N. 2012. Grey Crowned Cranes in peril – A status review and threat assessment. Abstract for the 13th Pan African Ornithological Congress, Tanzania.
  • R1377 - Morrison, K. (in prep. 2014)

Notes

  • S13 - Estimate based on recent, rigorous assessment, revealing a lower population than previously thought.
  • T6611 - Declined population with fragmenting range and contracting area of occupancy. Apparently increasing in KwaZulu-Natal, 2001-2010 (Smith et al. 2010).



Copyright Wetlands International 2012

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