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.
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: 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.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| 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 |
| Migratory status | full migrant | Forest dependency | low |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 41,300,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 27,700,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | poor | estimated | 2009 |
| Population trend | stable | - | estimated | - |
| Generation length | 4.1 years | - | - | - |
Trend justification: This species has had stable population trends over the last 40 years in North America (data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and Niven 2007).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Antigua and Barbuda | extant | native | ||||
| Argentina | extant | native | ||||
| Bahamas | extant | native | ||||
| Barbados | extant | native | ||||
| Belize | extant | native | ||||
| Bermuda (to UK) | extant | native | yes | |||
| Bolivia | extant | native | ||||
| Brazil | extant | native | ||||
| Canada | extant | native | yes | |||
| Cayman Islands (to UK) | extant | native | ||||
| Colombia | extant | native | ||||
| Costa Rica | extant | native | yes | |||
| Cuba | extant | native | ||||
| Dominica | extant | native | ||||
| Dominican Republic | extant | native | ||||
| Ecuador | extant | native | ||||
| El Salvador | extant | native | ||||
| French Guiana | extant | native | ||||
| Guadeloupe (to France) | extant | native | ||||
| Guatemala | extant | native | ||||
| Guyana | extant | native | ||||
| Haiti | extant | native | ||||
| Honduras | extant | native | ||||
| Iceland | extant | vagrant | ||||
| Jamaica | extant | native | yes | |||
| Martinique (to France) | extant | native | ||||
| Mexico | extant | native | ||||
| Montserrat (to UK) | extant | native | ||||
| Morocco | extant | vagrant | ||||
| Nicaragua | extant | native | ||||
| Panama | extant | native | ||||
| Paraguay | extant | native | ||||
| Peru | extant | native | ||||
| Portugal | extant | vagrant | ||||
| Puerto Rico (to USA) | extant | native | ||||
| St Kitts and Nevis | extant | native | ||||
| St Lucia | extant | native | ||||
| St Pierre and Miquelon (to France) | extant | vagrant | yes | |||
| St Vincent and the Grenadines | extant | native | ||||
| Suriname | extant | native | ||||
| Trinidad and Tobago | extant | native | ||||
| Turks and Caicos Islands (to UK) | extant | native | ||||
| USA | extant | native | yes | |||
| Venezuela | extant | native | ||||
| Virgin Islands (to UK) | extant | vagrant | ||||
| Virgin Islands (to USA) | extant | vagrant |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Canals and Drainage Channels, Ditches | suitable | breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Canals and Drainage Channels, Ditches | suitable | non-breeding |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | breeding |
| Marine Intertidal | Salt Marshes (Emergent Grasses) | suitable | non-breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | major | breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | major | non-breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | non-breeding |
| Wetlands (inland) | Permanent Freshwater Marshes/Pools (under 8ha) | suitable | non-breeding |
| Wetlands (inland) | Permanent Freshwater Marshes/Pools (under 8ha) | suitable | breeding |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | non-breeding |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | breeding |
| Altitude | 0 - 3100 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Least Bittern Ixobrychus exilis. Downloaded from
https://datazone.birdlife.org/species/factsheet/least-bittern-ixobrychus-exilis on 22/12/2024.
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 22/12/2024.