Population information

Order name Ciconiiformes
Family name Ciconiidae
Scientific name Leptoptilos crumenifer Common name Marabou
Population name Sub-Saharan Africa
Breeding range Sub-Saharan Africa Non-breeding range
Red List Category Least Concern
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 1 1993 1993 100,000 100,000 [R665]
WPE 2 0 0 100,000 100,000 [R667]
WPE 3 2001 2001 100,000 300,000 [R190]
WPE 4 0 0 200,000 500,000 [S4703] [R192]
WPE 5 2006 2006 200,000 500,000 Expert opinion [R192]
CSR 4 2006 2006 200,000 500,000 Expert opinion [R192]
CSR 5 2006 2006 200,000 500,000 Expert opinion [R192]
CSR 6 2006 2006 200,000 500,000 Expert opinion [R192]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1972 1982 INC [R94]
WPE 2 1972 1982 INC [R94]
WPE 3 1972 1982 INC [R94]
WPE 4 1972 1982 INC [R94]
WPE 5 1972 1982 INC Poor [R94]
CSR 4 1972 1982 INC Poor [R94]
CSR 5 1972 1982 INC Poor [R94]
CSR 6 1995 2004 Unknown Poor [T6652] [R1401]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 1000
WPE 2 1997 1000
WPE 3 2002 2000
WPE 4 2006 3500
WPE 5 2012 3200
CSR 4 0 -1
CSR 5 0 -1

References

  • R665 - Unpublished information provided by IWRB Specialist Research Groups
  • R94 - Brown, L.H., Urban, E.K. and Newman, K. 1982. The Birds of Africa. Volume I. Academic Press, London and New York.
  • R667 - Unpublished information supplied by Wetlands International Specialist Groups, 1997.
  • R190 - Dodman, T. 2002. Waterbird Population Estimates in Africa. Unpublished report to Wetlands International.
  • R192 - Dodman, T., 2006. Status, estimates and trends of waterbird populations in Africa. Wetlands International, Dakar.
  • R1401 - Carswell et al. (2005)
  • R1548 - Wetlands International (2017) Flyway trend analyses based on data from the African-Eurasian Waterbird Census from the period of 1967-2015. Ede, The Netherlands: Wetlands International. Temporary URL: https://www.dropbox.com/sh/r76f4eyuhzu65co/AADzzQkhySsUDsmwFJUcHs91a?dl=0
  • R1371 - Dodman, T. 2014. Status, Estimates and Trends of Waterbird Populations in Africa: AEWA-listed African populations. Wetlands International. (CSR6 African populations) URL: https://www.wetlands.org/publications/1304/
  • R1559 - BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 30/09/2017.

Notes

  • S4703 - There is an estimate of 360,000 from The Sudd, Sudan, based on extrapolations of sample aerial surveys (235).
  • T6652 - Increased breeding range in Uganda.
  • T6853 - Result of IWC trend analysis (Wetlands International 2017) agrees with the circumstantial evidence presented by Dodman (2014) and BirdLife International (2017).



Copyright Wetlands International 2012

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