LC
Coscoroba Swan Coscoroba coscoroba



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: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
SACC. 2006. A classification of the bird species of South America. Available at: https://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 -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 4,250,000 km2 medium
Extent of Occurrence (non-breeding) 6,610,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 6700-17000 mature individuals poor estimated 2009
Population trend stable - suspected -
Generation length 9.3 years - - -

Population justification: The population is estimated to number 10,000-25,000 individuals, roughly equating to 6,700-17,000 mature individuals.

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Argentina extant native
Brazil extant native
Chile extant native
Falkland Islands (Malvinas) extant native
Paraguay extant native
Uruguay extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Argentina Bañados del Río Saladillo
Argentina Laguna Melincué
Argentina Lagunas del suroeste y relictos del Caldenal
Argentina Lagunas Encadenadas del Oeste de la Provincia de Buenos Aires
Argentina Reserva de Uso Múltiple Bañados del Río Dulce y Laguna Mar Chiquita
Chile Humedal El Yali
Chile Monumento Natural Laguna de los Cisnes
Chile Santuario de la Naturaleza Península de Hualpén
Paraguay Lagunas Saladas - Riacho Yacaré
Paraguay Parque Nacional Tinfunqué - Estero Patiño
Uruguay Castillos Lagoon
Uruguay Rocha Lagoon

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable non-breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) major breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) major non-breeding
Altitude   Occasional altitudinal limits  

Recommended citation
BirdLife International (2024) Species factsheet: Coscoroba Swan Coscoroba coscoroba. Downloaded from https://datazone.birdlife.org/species/factsheet/coscoroba-swan-coscoroba-coscoroba on 22/11/2024.
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 22/11/2024.