Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Ixobrychus flavicollis Common name Black Bittern
Population name australis, Australia, New Guinea
Breeding range W, N & E Australia, New Guinea, Bismarck Archipelago, E Indonesia (Wallacea) Non-breeding range
Red List Category Least Concern
Ramsar regions Oceania
Notes Sometimes ascribed to gouldi.

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 -1 -1
WPE 4 1999 1999 25,000 100,000 [S4064] [R249]
WPE 1 0 0 -1 -1
WPE 2 0 0 -1 -1
WPE 5 1999 2002 10,000 100,000 Best guess [S7811] [R267] [R1027] [R1101]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1985 1995 DEC [R249]
WPE 4 1985 1995 DEC [R249]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1991 2000 DEC Poor [R267]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 0 -1
WPE 4 2006 1000
WPE 1 0 -1
WPE 2 0 -1
WPE 5 2012 1000

References

  • R249 - Garnett, S.T. and Crowley, G.M. 2000. The Action Plan for Australian Birds 2000. Environment Australia, Canberra.
  • R267 - Green, A.J. 1992a. The status and conservation of the White-winged Wood Duck (Cairina scutulata). IWRB Special Publication No. 17. Slimbridge, UK. 115 pp.
  • R1027 - Bishop, K.D. 2003. A Review of the Avifauna of the TransFly Eco-region: the status, distribution, habitats and conservation of the region?s birds. Report to WWF South Pacific Program.
  • R1101 - Jaensch, R. April 2012. Detailed data and notes on numbers and trends of waterbirds in Australia and other parts of the Oceania region, in a spreadsheet prepared for Wetlands International - Oceania for the 5th edition of WPE.

Notes

  • S4064 - 252 estimates Australian population at 20,000 breeding adults (30,000 individuals).
  • S7811 - Estimate based on previous information and extent of habitat across several countries.



Copyright Wetlands International 2012

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