LC
American Wigeon Mareca americana



Taxonomy

Taxonomic note
Mareca americana (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#.
Cramp, S. and Simmons, K.E.L. (eds). 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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
SACC. 2005 and updates. 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
2021 Least Concern
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) 17,400,000 km2 medium
Extent of Occurrence (non-breeding) 38,600,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 2700000 mature individuals poor estimated 2018
Population trend decreasing - suspected -
Generation length 3.99 years - - -

Population justification: The global population is estimated to number 2,700,000 mature individuals (Partners in Flight 2019).

Trend justification: The species is undergoing a slow decline at an average rate of 0.3% per year (Partners in Flight 2020; see also Wetlands International 2020).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Anguilla (to UK) extant native yes
Antigua and Barbuda extant native yes
Aruba (to Netherlands) extant native yes
Bahamas extant native yes
Barbados extant native yes
Belgium extant vagrant
Belize extant native yes
Bermuda (to UK) extant native yes
Bonaire, Sint Eustatius and Saba (to Netherlands) extant native yes
Canada extant native yes yes yes yes
Cayman Islands (to UK) extant native yes
Colombia extant native yes
Costa Rica extant native yes
Cuba extant native yes
Curaçao (to Netherlands) extant native yes
Czechia extant vagrant
Denmark extant vagrant
Dominica extant native yes
Dominican Republic extant native yes
El Salvador extant native yes
Faroe Islands (to Denmark) extant vagrant
Finland extant vagrant
France extant vagrant
French Guiana extant vagrant
Greenland (to Denmark) extant vagrant
Grenada extant native yes
Guadeloupe (to France) extant native yes
Guam (to USA) extant vagrant
Guatemala extant native yes
Haiti extant native yes
Honduras extant native yes
Iceland extant vagrant
Ireland extant vagrant
Jamaica extant native yes
Japan extant vagrant
Lithuania extant vagrant
Martinique (to France) extant native yes
Mexico extant native yes
Montserrat (to UK) extant native yes
Morocco extant vagrant
Netherlands extant vagrant
Nicaragua extant native yes
Norway extant vagrant
Panama extant native yes
Portugal extant vagrant
Puerto Rico (to USA) extant native yes
Russia extant vagrant
Russia (Asian) extant vagrant
Senegal extant vagrant
Sint Maarten (to Netherlands) extant native yes
South Korea extant vagrant
Spain extant vagrant
St Barthelemy (to France) extant native yes
St Kitts and Nevis extant native yes
St Lucia extant native yes
St Martin (to France) extant native yes
St Pierre and Miquelon (to France) extant vagrant
St Vincent and the Grenadines extant native yes
Sweden extant vagrant
Taiwan, China extant vagrant
Trinidad and Tobago extant native yes
Turks and Caicos Islands (to UK) extant native yes
United Kingdom extant vagrant
USA extant native yes yes yes
Venezuela extant native yes
Virgin Islands (to UK) extant native yes
Virgin Islands (to USA) extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Canada Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary)
Mexico Cuitzeo

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

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Food - human - - non-trivial recent
Pets/display animals, horticulture - - international non-trivial recent
Sport hunting/specimen collecting - - non-trivial recent

Recommended citation
BirdLife International (2024) Species factsheet: Mareca americana. Downloaded from https://datazone.birdlife.org/species/factsheet/american-wigeon-mareca-americana on 01/03/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org on 01/03/2024.