Population information

Order name Ciconiiformes
Family name Threskiornithidae
Scientific name Thaumatibis gigantea Common name Giant Ibis
Population name Indochina
Breeding range Cambodia, marginally in S Laos, Thailand, & S Vietnam Non-breeding range
Red List Category Critically Endangered
Ramsar regions Asia
Notes Often placed in genus Pseudibis.

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 0 0 1 10,000 [R337]
WPE 2 1993 1993 250 250 [R138]
WPE 3 2002 2002 100 200 [R604]
WPE 4 2005 2005 50 250 [S4397] [R64]
WPE 5 2007 2007 300 300 Expert opinion [S6487] [R1214]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1940 1990 DEC [R337]
WPE 2 1970 1994 DEC [R138]
WPE 3 1987 1997 DEC [R68]
WPE 4 1987 1997 DEC [R64]
WPE 5 1987 1997 DEC [R64]

Population 1% level

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

References

  • R337 - IUCN - The World Conservation Union. 1990. 1990 IUCN Red List of Threatened Animals. Prepared by the World Conservation Monitoring Centre, Cambridge, UK. 192 pp.
  • 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.
  • R604 - Specialist]] Unpublished information supplied by Wetlands International Specialist Groups, 2002.
  • R68 - BirdLife International. (2000). Threatened Birds of the World. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife international
  • R64 - BirdLife International. 2005. Threatened birds of the world 2005. Species factsheets available at?www.birdlife.org
  • R1214 - BirdLife International. 2012g Species factsheet: Thaumatibis?gigantea. Downloaded from http://www.birdlife.org on 22/05/2012.

Notes

  • S4397 - Population of 50-249 estimated from analysis of recent records in 66 and 173.
  • S6487 - Population of 50-249 estimated from analysis of records in BirdLife International 2001 and Davidson, P. In litt 2001.



Copyright Wetlands International 2012

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