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LC
Dwarf Bittern Ixobrychus sturmii

IUCN Red List history

Year Category
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 Low
Land mass type   Average mass 140 g

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 12,900,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Unknown -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 4.1 - - -
Trend justification: The population trend is difficult to determine because of uncertainty over the extent of threats to the species.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Angola Native Extant      
Benin Native Extant      
Botswana Native Extant      
Burkina Faso Native Extant      
Burundi Native Extant      
Cameroon Native Extant      
Central African Republic Native Extant      
Chad Native Extant      
Congo Native Extant      
Congo, The Democratic Republic of the Native Extant      
Côte d'Ivoire Native Extant      
Equatorial Guinea Native Extant      
Ethiopia Native Extant      
Gabon Native Extant      
Gambia Native Extant      
Ghana Native Extant      
Guinea Native Extant      
Kenya Native Extant      
Liberia Native Extant      
Malawi Native Extant      
Mali Native Extant      
Mauritania Native Extant      
Mozambique Native Extant      
Namibia Native Extant      
Niger Vagrant Extant      
Nigeria Native Extant      
Rwanda Native Extant      
Senegal Native Extant      
Sierra Leone Native Extant      
Somalia Native Extant      
South Africa Native Extant Yes    
South Sudan Native Extant Yes    
Spain Vagrant Extant      
Sudan Native Extant      
Swaziland Native Extant      
Tanzania Native Extant      
Togo Native Extant      
Uganda Native Extant      
Zambia Native Extant      
Zimbabwe Native Extant      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
South Africa Nyl River Floodplain site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Aquatic & Marine Irrigated Land (includes irrigation channels) suitable breeding
Artificial/Aquatic & Marine Irrigated Land (includes irrigation channels) suitable non-breeding
Artificial/Aquatic & Marine Ponds (below 8ha) suitable breeding
Artificial/Aquatic & Marine Ponds (below 8ha) suitable non-breeding
Artificial/Aquatic & Marine Water Storage Areas (over 8ha) suitable breeding
Artificial/Aquatic & Marine Water Storage Areas (over 8ha) suitable non-breeding
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable breeding
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable non-breeding
Grassland Subtropical/Tropical Seasonally Wet/Flooded suitable breeding
Grassland Subtropical/Tropical Seasonally Wet/Flooded suitable non-breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable 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 breeding
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) suitable non-breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable non-breeding
Wetlands (inland) Seasonal/Intermittent Freshwater Lakes (over 8ha) suitable breeding
Wetlands (inland) Seasonal/Intermittent Freshwater Lakes (over 8ha) suitable non-breeding
Wetlands (inland) Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) suitable breeding
Wetlands (inland) Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) suitable non-breeding
Altitude 0 - 0 m Occasional altitudinal limits  

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Handicrafts, jewellery, decorations, curios Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Ixobrychus sturmii. Downloaded from http://www.birdlife.org on 16/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 16/04/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Ardeidae (Herons and egrets)
Species name author (Wagler, 1827)
Population size mature individuals
Population trend Unknown
Distribution size (breeding/resident) 12,900,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Climate change species distributions