LC
Ashy-headed Goose Chloephaga poliocephala



Taxonomy

Taxonomic source(s)
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. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.

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

Red List history
Year Category Criteria
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 full migrant Forest dependency does not normally occur in forest
Land-mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 922,000 medium
Extent of Occurrence non-breeding (km2) 2,020,000 medium
Severely fragmented? no -
Population and trend
Value Data quality Derivation Year of estimate
Number of mature individuals poor estimated 2009
Population trend decreasing suspected -
Generation length (years) 8.5 - - -

Trend justification: The overall trend is suspected to be decreasing (Wetlands International 2006).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding Non-breeding Passage
Argentina extant native
Chile extant native
Falkland Islands (Malvinas) extant uncertain

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Chile Baker River Wetlands

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Pastureland suitable non-breeding
Grassland Temperate major breeding
Marine Coastal/Supratidal Coastal Freshwater Lakes suitable breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable breeding
Altitude 0 - 1500 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2023) Species factsheet: Chloephaga poliocephala. Downloaded from http://datazone.birdlife.org/species/factsheet/ashy-headed-goose-chloephaga-poliocephala on 22/09/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 22/09/2023.