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LC
Comb Duck Sarkidiornis melanotos

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 Does not normally occur in forest
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 28,200,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Decreasing -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 5.4 - - -
Trend justification: The overall trend is decreasing, although some populations may be stable (Wetlands International 2006).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Angola Native Extant      
Argentina Native Extant      
Aruba (to Netherlands) Native Extant      
Bangladesh Native Extant      
Benin Native Extant      
Bolivia Native Extant      
Bonaire, Sint Eustatius and Saba (to Netherlands) Native Extant      
Botswana Native Extant      
Brazil Native Extant Yes    
Burkina Faso Native Extant      
Burundi Native Extant      
Cambodia Native Extant      
Cameroon Native Extant      
Central African Republic Native Extant      
Chad Native Extant      
China (mainland) Native Extant      
Colombia Native Extant      
Congo Native Extant      
Congo, The Democratic Republic of the Native Extant      
Côte d'Ivoire Native Extant      
Curaçao (to Netherlands) Native Extant      
Ecuador Native Extant      
Eritrea Native Extant      
Ethiopia Native Extant      
French Guiana Native Extant      
Gabon Native Extant      
Gambia Native Extant      
Ghana Native Extant      
Guinea Native Extant      
Guinea-Bissau Native Extant      
Guyana Native Extant      
India Native Extant      
Japan Vagrant Extant      
Kenya Native Extant      
Laos Native Extant      
Lesotho Native Extant      
Liberia Native Extant      
Madagascar Native Extant      
Malawi Native Extant      
Mali Native Extant      
Mauritania Native Extant      
Mozambique Native Extant      
Myanmar Native Extant      
Namibia Native Extant      
Nepal Native Extant      
Niger Native Extant      
Nigeria Native Extant      
Oman Vagrant Extant      
Pakistan Native Possibly Extinct      
Panama Native Extant      
Paraguay Native Extant      
Peru Native Extant      
Rwanda Native Extant      
São Tomé e Príncipe Vagrant Extant      
Senegal Native Extant      
Sierra Leone Native Extant      
Sint Maarten (to Netherlands) Native Extant      
Somalia Native Extant      
South Africa Native Extant      
South Sudan Native Extant Yes    
Sri Lanka Native Possibly Extinct      
Sudan Native Extant      
Swaziland Native Extant      
Tanzania Native Extant      
Thailand Native Extant      
Togo Native Extant      
Trinidad and Tobago Vagrant Extant      
Uganda Native Extant      
Uruguay Native Extant Yes    
Venezuela Native Extant Yes    
Vietnam Native Extant      
Zambia Native Extant Yes    
Zimbabwe Native Extant      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Cambodia Ang Tropeang Thmor site factsheet
Colombia Lago Cumbal site factsheet
India Bardha Dam site factsheet
India Kunthur - Kallur Lakes site factsheet
Mali Séri site factsheet
Mauritania Gâat Mahmoûdé site factsheet
Niger Ayorou site factsheet
South Sudan Sudd (Bahr-el-Jebel system) site factsheet
Zambia Kafue Flats 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/Terrestrial Arable Land suitable breeding
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Pastureland suitable breeding
Artificial/Terrestrial Pastureland 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 Marshes/Pools (under 8ha) suitable breeding
Wetlands (inland) Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) suitable non-breeding
Altitude 0 - 1200 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Biological resource use Hunting & trapping terrestrial animals / Intentional use (species is the target) Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Species mortality
Biological resource use Logging & wood harvesting / Unintentional effects: (large scale) [harvest] Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Species disturbance, Ecosystem degradation
Invasive and other problematic species, genes & diseases Viral/prion-induced diseases / Avian Influenza Timing Scope Severity Impact
Future Minority (<50%) Rapid Declines Low Impact: 4
Stresses
Species mortality
Natural system modifications Dams & water management/use / Large dams Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Indirect ecosystem effects, Ecosystem degradation, Ecosystem conversion
Pollution Agricultural & forestry effluents / Herbicides and pesticides Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Species mortality

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent
Food (human) Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent
Pets Whole Adults and juveniles Wild International Non-trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Sarkidiornis melanotos. Downloaded from http://www.birdlife.org on 10/07/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 10/07/2014.

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 Anatidae (Ducks, geese and swans)
Species name author (Pennant, 1769)
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 28,200,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Climate change species distributions