Data Zone
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: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| 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 |
| Migratory status | full migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 25,800,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 18,200,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 2000000 mature individuals | poor | estimated | 2018 |
| Population trend | increasing | - | inferred | - |
| Generation length | 4.48 years | - | - | - |
Population justification: The global population is estimated to number 2,000,000 mature individuals and is increasing (Meehan et al. 2018, Pardieck et al. 2018, Partners in Flight 2020).
Trend justification: The species is increasing rapidly (Meehan et al. 2018, Pardieck et al. 2018, Partners in Flight 2020).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Algeria | extant | vagrant | ||||
| Anguilla (to UK) | extant | native | yes | |||
| Antigua and Barbuda | extant | vagrant | ||||
| Aruba (to Netherlands) | extant | native | yes | |||
| Austria | extant | vagrant | ||||
| 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 | vagrant | ||||
| Canada | extant | native | yes | yes | yes | |
| Cape Verde | extant | vagrant | ||||
| Cayman Islands (to UK) | extant | native | yes | yes | yes | |
| Colombia | extant | vagrant | ||||
| Costa Rica | extant | native | yes | |||
| Cuba | extant | native | yes | |||
| Curaçao (to Netherlands) | extant | vagrant | ||||
| Denmark | extant | vagrant | ||||
| Dominica | extant | vagrant | ||||
| Dominican Republic | extant | native | yes | |||
| Faroe Islands (to Denmark) | extant | vagrant | ||||
| Finland | extant | vagrant | ||||
| France | extant | vagrant | ||||
| Germany | extant | vagrant | ||||
| Grenada | extant | native | yes | |||
| Guadeloupe (to France) | extant | native | yes | |||
| 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 | ||||
| Martinique (to France) | extant | vagrant | ||||
| Mexico | extant | native | yes | |||
| Morocco | extant | vagrant | ||||
| Netherlands | extant | vagrant | ||||
| Nicaragua | extant | native | yes | |||
| Norway | extant | vagrant | ||||
| Panama | extant | native | yes | |||
| Poland | extant | vagrant | ||||
| Portugal | extant | vagrant | ||||
| Puerto Rico (to USA) | extant | native | yes | |||
| Sint Maarten (to Netherlands) | extant | vagrant | ||||
| Spain | extant | vagrant | ||||
| St Barthelemy (to France) | extant | native | yes | |||
| St Kitts and Nevis | extant | vagrant | ||||
| St Lucia | extant | vagrant | ||||
| St Martin (to France) | extant | vagrant | ||||
| St Pierre and Miquelon (to France) | extant | native | yes | |||
| St Vincent and the Grenadines | extant | native | yes | |||
| Sweden | extant | vagrant | ||||
| Switzerland | 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 |
| Country/Territory | IBA Name |
|---|---|
| Canada | Cumberland Marshes |
| USA | Catahoula-Dewey Wills-Three Rivers |
| USA | Chenier Plain |
| USA | Lake Mattamuskeet - Swan Quarter |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | non-breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | major | non-breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | major | breeding |
| Altitude | Occasional altitudinal limits |
| Purpose | Scale |
|---|---|
| Pets/display animals, horticulture | international |
Recommended citation
BirdLife International (2024) Species factsheet: Ring-necked Duck Aythya collaris. Downloaded from
https://datazone.birdlife.org/species/factsheet/ring-necked-duck-aythya-collaris on 24/12/2024.
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 24/12/2024.