Population information

Order name Anseriformes
Family name Anatidae
Scientific name Chenonetta jubata Common name Maned Duck
Population name Australia/Tasmania
Breeding range SW Australia / E Australia, Tasmania Non-breeding range
Red List Category Least Concern
Ramsar regions Oceania
Notes Separated into SW Australia and E Australia populations in WPE3, combined again to a single population in WPE5.

Conservation Framework

Conservation framework Notes
No conservation frameworks

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 10,000 100,000 [R214]
WPE 2 0 0 10,000 100,000 [R214]
WPE 5 1989 2011 100,000 1,000,000 Best guess [S5893] [R287] [R1112] [R1148]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1972 1992 INC [R214]
WPE 2 1972 1992 STA [R214]
WPE 5 1982 2011 FLU Reasonable [R1148] [R1101]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 5 2012 10000


  • R214 - Ellis-Joseph, S., Hewston, N. and Green, A. (compilers). 1992. Global Waterfowl Conservation Assessment and Management Plan: First Review Draft. Report by the IUCN Captive Breeding Specialist Group and The Wildfowl and Wetlands Trust. 1992. 77 pp.
  • R287 - Halse, S.A., Vervest, R.M., Munro, D.R., Pearson, G.B. and Yung, F.H., 1992. Annual waterfowl counts in south-western Australia - 1989/90. Technical Report 29, Western Australian Department of Conservation and Land Management.
  • R1112 - Kingsford, R.T., Porter, J.L. and Halse, S.A. 2012. National waterbird assessment. Waterlines report, National Water Commission, Canberra. Available online at http://nwc.gov.au/publications/waterlines/74
  • R1148 - Porter, J.L. and Kingsford, R.T. 2011. Aerial Survey of Wetland Birds in Eastern Australia - October 2011. Annual Summary Report, Australian Wetlands and Rivers Centre, University of New South Wales. 29 pp. Also available online at http://www.wetrivers.unsw.edu.au/wp-content/uploads/2011/12/Eastern-Australia_waterbird-aerial-survey_2011.pdf
  • 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.


  • S5893 - Estimate based on comprehensive regional and national surveys, weighted because species is common in agricultural and urban landscapes, thus greatly undercounted in surveys.

Copyright Wetlands International 2012

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