LC
African Comb Duck Sarkidiornis melanotos



Taxonomy

Taxonomic note
Sarkidiornis melanotos and S. sylvicola (del Hoyo and Collar 2014) were previously lumped as S. melanotos following Sibley and Monroe (1990, 1993), and prior to that had been split as S. melanotos and S. sylvicola in Collar and Andrew (1988),

Taxonomic source(s)
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.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Least Concern
2014 Least Concern
Species attributes

Migratory status full migrant Forest dependency Does not normally occur in forest
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 53,300,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals 0
Population trend Decreasing suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 5.4 - - -

Population justification: The global population size is unknown given recent taxonomic splits.

Trend justification: The overall trend is decreasing, although some populations may be stable (Wetlands International 2006).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Angola N Extant Yes
Bangladesh N Extant Yes
Benin N Extant Yes
Botswana N Extant Yes
Burkina Faso N Extant Yes
Burundi N Extant Yes
Cambodia N Extant Yes
Cameroon N Extant Yes
Central African Republic N Extant Yes
Chad N Extant Yes
China (mainland) N Extant Yes
Congo N Extant Yes
Congo, The Democratic Republic of the N Extant Yes
Côte d'Ivoire N Extant Yes
Eritrea N Extant Yes
Ethiopia N Extant Yes
Gabon N Extant Yes
Gambia N Extant Yes
Ghana N Extant Yes
Guinea N Extant Yes
Guinea-Bissau N Extant Yes
India N Extant Yes
Japan V Extant
Kenya N Extant Yes
Laos N Extant Yes
Lesotho N Extant Yes
Liberia N Extant Yes
Madagascar N Extant Yes
Malawi N Extant Yes
Mali N Extant Yes
Mauritania N Extant Yes
Mozambique N Extant Yes
Myanmar N Extant Yes
Namibia N Extant Yes
Nepal N Extant Yes
Niger N Extant Yes
Nigeria N Extant Yes
Oman V Extant
Pakistan N Possibly Extinct Yes
Rwanda N Extant Yes
São Tomé e Príncipe V Extant
Senegal N Extant Yes
Sierra Leone N Extant Yes
Somalia N Extant Yes
South Africa N Extant Yes
South Sudan N Extant Yes
Sri Lanka N Possibly Extinct Yes
Sudan N Extant Yes
Swaziland N Extant Yes
Tanzania N Extant Yes
Thailand N Extant Yes
Togo N Extant Yes
Uganda N Extant Yes
Vietnam N Extant Yes
Zambia N Extant Yes
Zimbabwe N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Aquatic & Marine Artificial/Aquatic - Irrigated Land (includes irrigation channels) suitable breeding
Artificial/Aquatic & Marine Artificial/Aquatic - Irrigated Land (includes irrigation channels) suitable non-breeding
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Arable Land suitable breeding
Artificial/Terrestrial Pastureland suitable non-breeding
Artificial/Terrestrial Pastureland 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 breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable non-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 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 Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Species mortality
Biological resource use Logging & wood harvesting Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Species disturbance, Ecosystem degradation
Invasive and other problematic species, genes & diseases Viral/prion-induced diseases Timing Scope Severity Impact
Future Minority (<50%) Rapid Declines Low Impact: 4
Stresses
Species mortality
Natural system modifications Dams & water management/use Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Indirect ecosystem effects, Ecosystem degradation, Ecosystem conversion
Pollution Agricultural & forestry effluents Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Species mortality

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Food - human - - - Non-trivial Recent
Pets/display animals, horticulture - - - Non-trivial Recent

Recommended citation
BirdLife International (2017) Species factsheet: Sarkidiornis melanotos. Downloaded from http://www.birdlife.org on 21/11/2017. Recommended citation for factsheets for more than one species: BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 21/11/2017.