Population information

Order name Gruiformes
Family name Rallidae
Scientific name Gallirallus australis Common name Weka
Population name australis
Breeding range N & W South Island, New Zealand Non-breeding range
Red List Category Vulnerable
Ramsar regions Oceania
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 1999 1999 50,000 100,000 [R68]
WPE 4 2005 2005 50,000 100,000 [S275] [R64]
WPE 1 1993 1993 25,000 100,000 [R501]
WPE 2 1993 1993 25,000 100,000 [R501]
WPE 5 2005 2005 50,000 100,000 [S6032] [R64]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1980 2000 DEC [R68]
WPE 4 1980 2000 DEC [R64]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1980 2000 DEC [R64]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 750
WPE 4 2006 750
WPE 1 0 -1
WPE 2 0 -1
WPE 5 2012 710

References

  • 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
  • R501 - Ornithological Society of New Zealand. (pers. comm.). 1993. Unpublished data compiled for IWRB.

Notes

  • S275 - Population of 50,000-100,000 deduced from 65.
  • S6032 - Population of 50,000-100,000 deduced from BirdLife International. 2005.



Copyright Wetlands International 2012

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