LC
Blue-winged Teal Spatula discors



Taxonomy

Taxonomic note
Spatula discors (del Hoyo and Collar 2014) was previously placed in the genus Anas.

Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: #http://www.aerc.eu/DOCS/Bird_taxa_of _the_WP15.xls#.
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: #http://www.aerc.eu/DOCS/Bird_taxa_of _the_WP15.xls#.
Cramp, S. and Perrins, C.M. 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
Cramp, S.; Perrins, C. M. 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
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 -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 16,800,000 medium
Extent of Occurrence non-breeding (km2) 24,700,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
Population trend Decreasing estimated -
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 - - -
Largest subpopulations - - -
Generation length (yrs) 6.4 - - -

Trend justification: This species has undergone a small or statistically insignificant decrease over the last 40 years in North America (data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and Niven 2007).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Algeria V Extant
Anguilla (to UK) N Extant
Antigua and Barbuda N Extant
Argentina N Extant
Aruba (to Netherlands) N Extant
Austria V Extant
Bahamas N Extant
Barbados N Extant
Belgium V Extant
Belize N Extant Yes
Bermuda (to UK) N Extant
Bolivia N Extant Yes
Bonaire, Sint Eustatius and Saba (to Netherlands) N Extant Yes
Brazil N Extant
Canada N Extant Yes Yes
Cayman Islands (to UK) N Extant
Chile N Extant
Colombia N Extant
Costa Rica N Extant Yes
Cuba N Extant
Curaçao (to Netherlands) N Extant
Czechia V Extant
Denmark V Extant
Dominica N Extant
Dominican Republic N Extant
Ecuador N Extant
Egypt V Extant
El Salvador N Extant
Faroe Islands (to Denmark) V Extant
Finland V Extant
France V Extant
French Guiana N Extant
Germany V Extant
Greece V Extant
Greenland (to Denmark) V Extant
Grenada N Extant
Guadeloupe (to France) N Extant Yes
Guatemala N Extant
Guyana N Extant
Haiti N Extant
Honduras N Extant
Iceland V Extant
Ireland V Extant
Italy V Extant
Jamaica N Extant Yes
Martinique (to France) N Extant
Mexico N Extant
Montserrat (to UK) N Extant
Morocco V Extant
Netherlands V Extant
Nicaragua N Extant
Norway V Extant
Panama N Extant
Paraguay V Extant Yes
Peru N Extant
Poland V Extant
Portugal V Extant
Puerto Rico (to USA) N Extant
Senegal V Extant
Sint Maarten (to Netherlands) N Extant Yes
South Georgia & the South Sandwich Islands V Extant
Spain V Extant
St Barthelemy (to France) N Extant
St Kitts and Nevis N Extant
St Lucia N Extant
St Martin (to France) N Extant Yes
St Pierre and Miquelon (to France) N Extant Yes Yes
St Vincent and the Grenadines N Extant
Suriname N Extant
Sweden V Extant
Switzerland V Extant
Trinidad and Tobago N Extant
Turks and Caicos Islands (to UK) N Extant
United Kingdom V Extant
Uruguay V Extant
USA N Extant Yes
Venezuela N Extant
Virgin Islands (to UK) N Extant Yes
Virgin Islands (to USA) N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Colombia Complejo de Humedales Costeros de la Guajira
Colombia Reserva Natural Laguna de Sonso
Jamaica Yallahs
Jamaica Black River Great Morass
Colombia Haciendas Ganaderas del Norte del Cauca
Venezuela Reserva de Fauna Silvestre Tucurere
Cuba Humedal Sur de Sancti Spiritus
Cuba Delta del Cauto
Bahamas Harrold and Wilson Ponds National Park
Bahamas Great Inagua
Bahamas Grog Pond
Bahamas Lucayan National Park
Canada Netley-Libau Marsh
Canada Oak Lake/Plum Lakes Area
Canada Whitewater Lake
Canada Proven Lake WMA
Canada Langruth - Rm of Lakeview
Canada North, West, and East Shoal Lakes
Canada Grant's Lake WMA
Canada Codroy Valley Estuary
Canada Dundas Valley and Dundas Marsh
Canada Île de l'Est
Canada Marais de Saint-Timothée
Canada Canal de Beauharnois
St Vincent and the Grenadines Ashton Wetland
St Vincent and the Grenadines Mustique Island
Bahamas San Andros Pond
Bahamas Booby Rocks and Pirates Bay
Bahamas Southern Great Lake
Bahamas South Beach Tidal Flats
Bahamas Stafford Creek to Andros Town
Dominican Republic Cabral Lagoon
Dominican Republic Limón Lagoon
Nicaragua Tisma Lagoon
Belize Belize Off-shore and Barrier Islands
Belize Rio Bravo CMA Gallon Jug Estate
Belize Northeastern Belize
Belize Crooked Tree and associated wetlands
Belize Belize Coastal and near shore islands
Aruba (to Netherlands) Tierra del Sol Salina
Aruba (to Netherlands) Bubali Wetlands
Antigua and Barbuda McKinnons Salt Pond
Antigua and Barbuda Valley Church Bay
Cuba Cayo Sabinal, Ballenatos y Manglares de la Bahía de Nuevitas
Cuba Humedal Sur de Pinar del Río
El Salvador Cerrón Grande
Barbados East Point Pond
St Lucia Point Sables
St Lucia Iyanola and Grande Anses, Esperance and Fond D'ors
Puerto Rico (to USA) Sierra Bermeja and Laguna Cartagena
Virgin Islands (to USA) Great Pond
Virgin Islands (to USA) Southgate and Green Cay
Puerto Rico (to USA) Guaniquilla and Boquerón
Cayman Islands (to UK) Central Mangrove Wetland
Cayman Islands (to UK) Crown Wetlands
Virgin Islands (to UK) Anegada: Western salt ponds and coastal areas
Venezuela Refugio de Fauna Silvestre Cuare
Bahamas Conception Island National Park
Cuba Delta del Mayarí
Mexico Pantanos de Centla
Colombia Ciénaga Grande, Isla de Salamanca and Sabana Grande RAMSAR biosphere reserve
St Kitts and Nevis Ponds of the Southeast Peninsula
Dominican Republic Jaragua National Park
Mexico Subcuenca Tecocomulco
Colombia El Encanto de Guanapalo
Mexico Bahía de Ceuta-Cospita
Mexico Cuenca baja del Río Papagayo
Mexico Presa de Valsequillo
Mexico Islas de la Sonda de Campeche

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Grassland Subtropical/Tropical Seasonally Wet/Flooded suitable non-breeding
Grassland Temperate suitable breeding
Marine Coastal/Supratidal Coastal Brackish/Saline Lagoons/Marine Lakes suitable non-breeding
Marine Coastal/Supratidal Coastal Freshwater Lakes suitable non-breeding
Marine Intertidal Salt Marshes (Emergent Grasses) suitable non-breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable non-breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable breeding
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) suitable breeding
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) suitable non-breeding
Altitude   Occasional altitudinal limits  

Recommended citation
BirdLife International (2020) Species factsheet: Spatula discors. Downloaded from http://www.birdlife.org on 06/06/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 06/06/2020.