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.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2024 | 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 | low |
| Land-mass type | Average mass | 140 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 22,400,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 16700-66700 mature individuals | poor | estimated | 2023 |
| Population trend | unknown | - | - | - |
| Generation length | 3.42 years | - | - | - |
Population justification: The global population size is estimated at 25,000-100,000 individuals (Wetlands International 2023), which equates to 16,700-66,700 mature individuals. The overall population trend is unknown (Wetlands International 2023).
Trend justification: .
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Angola | extant | native | ||||
| Benin | extant | native | ||||
| Botswana | extant | native | ||||
| Burkina Faso | extant | native | ||||
| Burundi | extant | native | ||||
| Cameroon | extant | native | ||||
| Central African Republic | extant | native | ||||
| Chad | extant | native | ||||
| Congo | extant | native | ||||
| Congo, The Democratic Republic of the | extant | native | ||||
| Côte d'Ivoire | extant | native | ||||
| Equatorial Guinea | extant | native | ||||
| Eswatini | extant | native | ||||
| Ethiopia | extant | native | ||||
| Gabon | extant | native | ||||
| Gambia | extant | native | ||||
| Ghana | extant | native | ||||
| Guinea | extant | native | ||||
| Kenya | extant | native | ||||
| Liberia | extant | native | ||||
| Malawi | extant | native | ||||
| Mali | extant | native | ||||
| Mauritania | extant | native | ||||
| Mozambique | extant | native | ||||
| Namibia | extant | native | ||||
| Niger | extant | vagrant | ||||
| Nigeria | extant | native | ||||
| Rwanda | extant | native | ||||
| Senegal | extant | native | ||||
| Sierra Leone | extant | native | ||||
| Somalia | extant | native | ||||
| South Africa | extant | native | yes | |||
| South Sudan | extant | native | yes | |||
| Spain | extant | vagrant | ||||
| Sudan | extant | native | ||||
| Tanzania | extant | native | ||||
| Togo | extant | native | ||||
| Uganda | extant | native | ||||
| Zambia | extant | native | ||||
| Zimbabwe | extant | native |
| Country/Territory | IBA Name |
|---|---|
| South Africa | Nyl River Floodplain |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Irrigated Land (includes irrigation channels) | suitable | non-breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Irrigated Land (includes irrigation channels) | suitable | breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Ponds (below 8ha) | suitable | non-breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Ponds (below 8ha) | suitable | breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Water Storage Areas (over 8ha) | suitable | non-breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Water Storage Areas (over 8ha) | suitable | breeding |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | non-breeding |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | breeding |
| Grassland | Subtropical/Tropical Seasonally Wet/Flooded | suitable | non-breeding |
| Grassland | Subtropical/Tropical Seasonally Wet/Flooded | suitable | breeding |
| 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) | suitable | non-breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | 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 |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Lakes (over 8ha) | suitable | non-breeding |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Lakes (over 8ha) | suitable | breeding |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) | suitable | non-breeding |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) | suitable | breeding |
| Altitude | 0 - 1700 m | Occasional altitudinal limits |
| Purpose | Scale |
|---|---|
| Other household goods | subsistence, national |
Recommended citation
BirdLife International (2024) Species factsheet: Dwarf Bittern Ixobrychus sturmii. Downloaded from
https://datazone.birdlife.org/species/factsheet/dwarf-bittern-ixobrychus-sturmii on 22/11/2024.
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 22/11/2024.