Population information

Order name Anseriformes
Family name Anatidae
Scientific name Oxyura australis Common name Blue-billed Duck
Population name SE Australia
Breeding range SE Australia (not Tasmania) Non-breeding range E & SE Australia
Red List Category Near Threatened
Ramsar regions Oceania
Notes These populations were treated as a single larger population WPE1. (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 1999 1999 18,000 18,000 [R249]
WPE 4 2003 2003 10,000 10,000 [R341]
WPE 2 0 0 -1 -1
WPE 5 2004 2009 10,000 10,000 Expert opinion [S7509] [R341] [R1076]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1972 1996 DEC [R249]
WPE 4 1990 2000 DEC [R341]
WPE 2 0 0 Unknown
WPE 5 1992 2010 DEC Poor [R1076]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 180
WPE 4 2006 100
WPE 2 0 -1
WPE 5 2012 100

References

  • R249 - Garnett, S.T. and Crowley, G.M. 2000. The Action Plan for Australian Birds 2000. Environment Australia, Canberra.
  • R341 - Jaensch, Roger, August 2005. Detailed data and notes on numbers and distribution of waterbirds in Australia, updated from Jaensch, 2003, and derived from more than 90 Australian sources including Wetlands International, Birds Australia and Jaensch, 2003,
  • R1076 - Garnett, S.T., Szabo, J.K. and Dutson, G. 2010. The Action Plan for Australian Birds 2010. CSIRO Publishing, Melbourne.

Notes

  • S7509 - Estimate of WPE4 is retained due to lack of survey data (this diving species is not readily detected in aerial surveys) and thus insufficient information for a meaningful reassessment.



Copyright Wetlands International 2012

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