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: #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) 4,250,000 medium
Extent of Occurrence non-breeding (km2) 6,610,000 medium
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals 6700-17000 poor estimated 2009
Population trend Stable suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Percentage in largest subpopulation - - -
Generation length (yrs) 9.3 - - -

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 Occurrence status Presence Resident Breeding Non-breeding Passage
Argentina N Extant
Brazil N Extant
Chile N Extant
Falkland Islands (Malvinas) N Extant
Paraguay N Extant
Uruguay N Extant Yes

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

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 (2021) Species factsheet: Coscoroba coscoroba. Downloaded from http://www.birdlife.org on 24/10/2021. Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 24/10/2021.