Ashy-headed Goose (Chloephaga poliocephala) - BirdLife species factsheet

Ashy-headed Goose Chloephaga poliocephala

Current view: Data table and detailed info

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
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.