Population information

Order name Gruiformes
Family name Rallidae
Scientific name Gallinula nesiotis Common name Tristan Moorhen
Population name nesiotis, Tristan da Cunha
Breeding range Tristan da Cunha island, South Atlantic Ocean Non-breeding range
Red List Category Extinct
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 3 0 0 0 0 [R178]
WPE 4 0 0 0 0 [R178]
WPE 1 0 0 6,000 9,000 [R137]
WPE 2 1993 1993 6,000 9,000 [R138]
WPE 5 0 0 0 0 [R178]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1900 1996 EXT [R178]
WPE 4 1900 1996 EXT [R178]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1900 1996 EXT [R178]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 0 -1
WPE 4 0 -1
WPE 1 1994 75
WPE 2 1997 1
WPE 5 0 -1

References

  • R178 - del Hoyo, J., Elliot, A. and Sargatal, J. (eds). 1996. Handbook of the Birds of the World. Volume 3: Hoatzin to Auks. Lynx Edicions, Barcelona.
  • R137 - Collar, N.J. and Stuart, S.N. 1985. Threatened Birds of Africa and Related Islands. Third Edition. ICBP, Cambridge, U.K., and IUCN, Gland, Switzerland.
  • 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.

Notes




Copyright Wetlands International 2012

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