Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Botaurus poiciloptilus Common name Australasian Bittern
Population name New Caledonia
Breeding range New Caledonia & Loyalty Island Non-breeding range
Red List Category Endangered
Ramsar regions Oceania
Notes This species was included as one population in the first edition and has now been divided into 4 smaller populations. (WPE2)

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 50 [R41]
WPE 4 0 0 0 50 [R41]
WPE 1 0 0 -1 -1
WPE 2 1993 1993 1 1,000 [R138]
WPE 5 2011 2011 -1 -1 [R1059]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1990 2000 DEC [R41]
WPE 4 1990 2000 DEC [R41]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 2001 2010 EXT? [R1059]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 1
WPE 4 2006 1
WPE 1 0 -1
WPE 2 1997 10
WPE 5 0 -1

References

  • R41 - Barr?, N. and Dutson, G. 2000. Oiseaux de Nouvelle-Caledonie. Liste commentee. Suppl. Alauda (68), 3: 49pp.
  • 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.
  • R1059 - Dutson, G. In litt. 21 March 2012b (advice regarding Pacific Islands including New Guinea).

Notes




Copyright Wetlands International 2012

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