Population information

Order name Gruiformes
Family name Rallidae
Scientific name Hypotaenidia sylvestris Common name Lord Howe Woodhen
Population name Lord Howe Island
Breeding range Lord Howe Island Non-breeding range
Red List Category Endangered
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 2 1993 1993 170 200 [R138]
WPE 3 1999 1999 200 200 [R249]
WPE 4 1999 1999 200 200 [R249]
WPE 1 0 0 -1 -1
WPE 5 2009 2009 220 230 Census based [S6037] [R1076]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 2 1970 1994 DEC [R138]
WPE 3 1980 1997 STA [R249]
WPE 4 1980 1997 STA [R249]
WPE 1 0 0 Unknown
WPE 5 2001 2010 STA Good [R1076]

Population 1% level

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

References

  • 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.
  • R249 - Garnett, S.T. and Crowley, G.M. 2000. The Action Plan for Australian Birds 2000. Environment Australia, Canberra.
  • R1076 - Garnett, S.T., Szabo, J.K. and Dutson, G. 2010. The Action Plan for Australian Birds 2010. CSIRO Publishing, Melbourne.

Notes

  • S6037 - Total population size matches the island's assumed carrying capacity.



Copyright Wetlands International 2012

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