Population information

Order name Charadriiformes
Family name Charadriidae
Scientific name Anarhynchus frontalis Common name Wrybill
Population name New Zealand
Breeding range Central South Island New Zealand Non-breeding range N North Island New Zealand
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 0 0 4,100 4,200 [R12]
WPE 4 0 0 4,500 5,000 [S1825] [R544]
WPE 2 1993 1993 3,500 4,500 [R501]
WPE 1 1993 1993 3,500 4,500 [R501]
WPE 5 2006 2006 4,500 5,000 Expert opinion [S6987] [R544] [R1054] [R1123]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1960 1999 DEC [R68]
WPE 4 1960 1999 DEC [R64]
WPE 2 1970 1994 DEC [R138]
WPE 1 0 0 Unknown
WPE 5 1997 2006 DEC Reasonable [R1123]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 40
WPE 4 2006 40
WPE 2 1997 40
WPE 1 1994 40
WPE 5 2012 45

References

  • R12 - Anon 2002. RHD: bad news for Wrybills? World Birdwatch 24 (1):7.
  • R68 - BirdLife International. (2000). Threatened Birds of the World. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife international
  • R544 - Riegen, A. C. and Dowding, J. E. (2003) The Wrybill Anarhynchus frontalis: a brief review of status, threats and work in progress. Wader Study Group Bulletin 100: 20-24.
  • 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 Unpublished data compiled for IWRB.
  • 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.
  • R1054 - Dowding, J.E. and Moore, S.J. 2006. Habitat networks of indigenous shorebirds in New Zealand. Science for Conservation 261, Department of Conservation, Wellington.
  • R1123 - Melville, D.S. and Battley, P.F. 2006. Shorebirds in New Zealand. Stilt 50: 295-303.

Notes

  • S1825 - 551 estimate 4,500-5,000.
  • S6987 - No change from WPE4.



Copyright Wetlands International 2012

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