Population information

Order name Ciconiiformes
Family name Threskiornithidae
Scientific name Bostrychia olivacea Common name Olive Ibis
Population name olivacea
Breeding range West African Tropical forest, Sierra Leone to Ghana Non-breeding range
Red List Category Least Concern
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 4 0 0 1 25,000 [S4282] [R192]
WPE 1 1993 1993 1 10,000 [R665]
WPE 2 0 0 1 10,000 [R667]
WPE 3 0 0 1 10,000 [R108]
WPE 5 0 0 1 25,000 Best guess [S7886] [R192]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 4 1985 1995 DEC [T2715] [R250]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 3 0 0 Unknown
WPE 5 1985 1995 DEC [T5744] [R250]

Population 1% level

Publication Yearset 1 percent Note
WPE 4 2006 250
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 100
WPE 5 2012 250

References

  • R192 - Dodman, T., 2006. Status, estimates and trends of waterbird populations in Africa. Wetlands International, Dakar.
  • R250 - Gatter, W. 1997. Birds of Liberia. Pica Press, Sussex.
  • R665 - Unpublished information provided by IWRB Specialist Research Groups
  • R667 - Unpublished information supplied by Wetlands International Specialist Groups, 1997.
  • R108 - Byers, O., et al., Ed. 1995. Stork, Ibis, and Spoonbill Conservation Assessment and Management Plan: Working Document. IUCN/SSC Conservation Breeding Specialist Group: Apple Valley, MN.

Notes

  • S4282 - Not uncommon resident in the large forest blocks of Liberia, but much reduced by hunting (253).
  • T2715 - Not uncommon resident in the large forest blocks of Liberia, but much reduced by hunting (253).
  • S7886 - Not uncommon resident in the large forest blocks of Liberia, but much reduced by hunting (253).
  • T5744 - Not uncommon resident in the large forest blocks of Liberia, but much reduced by hunting (253).



Copyright Wetlands International 2012

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