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LC
Fulvous Whistling-duck Dendrocygna bicolor

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) 18,700,000 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) 5.3 - - -
Population justification: The population is estimated to number 1,300,000-1,500,000 individuals.
Trend justification: The overall population trend is decreasing, although some populations have unknown trends (Wetlands International 2006), and in North America the trend is increasing (based on BBS/CBC data: Butcher and Niven 2007).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Angola Native Extant      
Antigua and Barbuda Native Extant      
Argentina Native Extant      
Aruba (to Netherlands) Native Extant      
Bahamas Native Extant      
Bangladesh Native Extant   Yes  
Barbados Native Extant      
Belize Native Extant      
Benin Native Extant      
Bermuda (to UK) Vagrant Extant      
Bhutan Vagrant Extant      
Bolivia Native Extant      
Bonaire, Sint Eustatius and Saba (to Netherlands) Native Extant      
Botswana Native Extant      
Brazil Native Extant      
Burkina Faso Native Extant      
Burundi Native Extant      
Cameroon Native Extant      
Canada Native Extant      
Cayman Islands (to UK) Native Extant      
Central African Republic Native Extant      
Chad Native Extant      
Chile Native Extant      
Colombia Native Extant      
Congo Native Extant Yes    
Congo, The Democratic Republic of the Native Extant      
Costa Rica Native Extant      
Côte d'Ivoire Native Extant      
Cuba Native Extant      
Curaçao (to Netherlands) Native Extant      
Dominica Native Extant      
Dominican Republic Native Extant      
Ecuador Native Extant      
El Salvador Native Extant      
Eritrea Native Extant      
Ethiopia Native Extant      
France Vagrant Extant      
French Guiana Native Extant      
Gabon Native Extant      
Gambia Native Extant      
Ghana Native Extant      
Grenada Vagrant Extant      
Guadeloupe (to France) Native Extant      
Guatemala Native Extant      
Guinea Native Extant      
Guinea-Bissau Native Extant      
Guyana Native Extant      
Haiti Native Extant      
Honduras Native Extant      
India Native Extant      
Israel Vagrant Extant      
Jamaica Vagrant Extant      
Kenya Native Extant      
Lesotho Native Extant      
Madagascar Native Extant      
Malawi Native Extant      
Mali Native Extant      
Martinique (to France) Native Extant      
Mauritania Native Extant      
Mexico Native Extant      
Montserrat (to UK) Native Extant      
Morocco Vagrant Extant      
Mozambique Native Extant      
Myanmar Native Extant      
Namibia Native Extant      
Nepal Native Extant      
Niger Native Extant      
Nigeria Native Extant      
Oman Vagrant Extant   Yes  
Pakistan Native Extant      
Panama Native Extant      
Paraguay Native Extant      
Peru Native Extant      
Portugal Vagrant Extant      
Puerto Rico (to USA) Native Extant      
Rwanda Native Extant      
Senegal Native Extant      
Sierra Leone Vagrant Extant      
Sint Maarten (to Netherlands) Native Extant      
Somalia Vagrant Extant      
South Africa Native Extant      
South Sudan Native Extant Yes    
Spain Vagrant Extant      
Sri Lanka Vagrant Extant      
St Kitts and Nevis Native Extant      
St Lucia Native Extant      
St Vincent and the Grenadines Native Extant      
Sudan Native Extant      
Suriname Native Extant      
Swaziland Native Extant      
Tanzania Native Extant      
Togo Native Extant      
Trinidad and Tobago Native Extant      
Turks and Caicos Islands (to UK) Native Extant      
Uganda Native Extant      
Uruguay Native Extant Yes    
USA Native Extant Yes    
Venezuela Native Extant Yes    
Virgin Islands (to UK) Vagrant Extant      
Virgin Islands (to USA) Vagrant Extant      
Yemen Vagrant Extant   Yes  
Zambia Native Extant Yes    
Zimbabwe Native Extant      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Bangladesh Aila Beel site factsheet
Bangladesh Hail Haor site factsheet
Bangladesh Tanguar Haor and Panabeel site factsheet
Botswana Okavango Delta site factsheet
Chad Lake Chad site factsheet
Chad Lake Fitri site factsheet
Colombia Haciendas Ganaderas del Norte del Cauca site factsheet
Ecuador Ciénaga de La Segua site factsheet
Ecuador Ciénagas de Guayaquil site factsheet
El Salvador Cerrón Grande site factsheet
Ghana Keta Lagoon Ramsar Site site factsheet
India Farakka Barrage and adjoining area site factsheet
India Mangal Jodi site factsheet
Malawi Lake Chilwa and flood-plain site factsheet
Mali Lac Débo - Lac Oualado Débo site factsheet
Mali Lac Faguibine site factsheet
Mali Lac Horo site factsheet
Mauritania Lac d'Aleg site factsheet
Niger Lassouri - Karandi wetlands site factsheet
Nigeria Hadejia-Nguru wetlands site factsheet
South Sudan Sudd (Bahr-el-Jebel system) site factsheet
Tanzania Nyumba ya Mungu reservoir site factsheet
Uganda Kibimba Rice Scheme site factsheet
Zambia Kafue Flats site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land major breeding
Artificial/Terrestrial Arable Land major 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 breeding
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) suitable non-breeding
Altitude 0 - 1000 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Marine & freshwater aquaculture / Scale Unknown/Unrecorded Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Ecosystem degradation, Ecosystem conversion
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 Hunting & trapping terrestrial animals / Persecution/control Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Species mortality
Biological resource use Hunting & trapping terrestrial animals / Unintentional effects (species is not the target) Timing Scope Severity Impact
Ongoing Minority (<50%) No decline Low Impact: 4
Stresses
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Water Hyacinth (Eichhornia crassipes) Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Ecosystem degradation
Invasive and other problematic species, genes & diseases Viral/prion-induced diseases / Avian Botulism (Clostridium botulinum) Timing Scope Severity Impact
Future Minority (<50%) Rapid Declines Low Impact: 4
Stresses
Species mortality
Pollution Agricultural & forestry effluents / Herbicides and pesticides Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Reduced reproductive success, Species mortality
Pollution Agricultural & forestry effluents / Soil erosion, sedimentation Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Ecosystem degradation
Transportation & service corridors Utility & service lines Timing Scope Severity Impact
Ongoing Minority (<50%) No decline Low Impact: 4
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
Handicrafts, jewellery, decorations, curios Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Dendrocygna bicolor. Downloaded from http://www.birdlife.org on 18/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 18/04/2014.

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 Anatidae (Ducks, geese and swans)
Species name author (Vieillot, 1816)
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 18,700,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Climate change species distributions