LC
Australian Shelduck Tadorna tadornoides



Taxonomy

Taxonomic source(s)
Christidis, L. and Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. CSIRO Publishing, Collingwood, Australia.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
Turbott, E.G. 1990. Checklist of the Birds of New Zealand. Ornithological Society of New Zealand, Wellington.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2024 Least Concern
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency does not normally occur in forest
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 12,300,000 km2
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 101000-827000 mature individuals poor estimated 2023
Population trend increasing - suspected -
Generation length 7.28 years - - -

Population justification: The global population size is estimated at 151,600-1,240,000 individuals (Wetlands International 2023), which equates to 101,000-827,000 mature individuals. The overall population trend is considered to be fluctuating over three generations (21.84 years) (Wetlands International 2023).

Trend justification:   .


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Australia extant native yes
New Zealand extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Australia Busselton Wetlands
Australia Coorong
Australia Kangaroo Island
Australia Lake Corangamite Complex
Australia Lake Gore System
Australia Lakes Alexandrina and Albert
Australia Natimuk-Douglas Wetlands
Australia Werribee and Avalon
Australia Yalgorup

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Grassland Temperate suitable resident
Marine Intertidal Mud Flats and Salt Flats suitable non-breeding
Savanna Dry suitable resident
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable resident
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable resident
Altitude 0 - 400 m Occasional altitudinal limits  

Utilisation
Purpose Scale
Pets/display animals, horticulture subsistence, national
Sport hunting/specimen collecting subsistence, national

Recommended citation
BirdLife International (2024) Species factsheet: Australian Shelduck Tadorna tadornoides. Downloaded from https://datazone.birdlife.org/species/factsheet/australian-shelduck-tadorna-tadornoides on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/11/2024.