Black-bellied Whistling-duck Dendrocygna autumnalis


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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: #

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

Red List history
Year Category Criteria
2021 Least Concern
2018 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
Species attributes

Migratory status full migrant Forest dependency Does not normally occur in forest
Land mass type Average mass -

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 27,000,000 medium
Extent of Occurrence non-breeding (km2) 26,100,000 medium
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals 200000-2000000 poor inferred 2011
Population trend Increasing inferred -
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 - - -
Percentage in largest subpopulation - - -
Generation length (yrs) 4.6 - - -

Population justification: The global population is inferred to number 200,000-2,000,000 mature individuals (Wetlands International 2020).

Trend justification: The species is increasing rapidly at an average rate of 7.4% per year (Partners in Flight 2019; Wetlands International 2020).

Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Antigua and Barbuda V Extant
Argentina N Extant Yes
Aruba (to Netherlands) N Extant Yes
Bahamas V Extant
Barbados N Extant Yes
Belize N Extant Yes
Bolivia N Extant Yes
Brazil N Extant Yes
Canada V Extant
Cayman Islands (to UK) V Extant
Chile V Extant
Colombia N Extant Yes
Costa Rica N Extant Yes
Cuba U Extant
Curaçao (to Netherlands) N Extant Yes
Dominica V Extant
Ecuador N Extant Yes
El Salvador N Extant Yes
French Guiana N Extant Yes
Gambia V Extant
Grenada V Extant
Guadeloupe (to France) V Extant
Guatemala N Extant Yes
Guyana N Extant Yes
Honduras N Extant Yes
Jamaica V Extant
Martinique (to France) V Extant
Mexico N Extant Yes Yes
Montserrat (to UK) V Extant
Nicaragua N Extant Yes
Panama N Extant Yes
Paraguay N Extant Yes
Peru N Extant Yes
Puerto Rico (to USA) V Extant
St Kitts and Nevis V Extant
St Lucia V Extant
St Vincent and the Grenadines V Extant
Suriname N Extant Yes
Trinidad and Tobago N Extant Yes
USA N Extant Yes Yes
Venezuela N Extant Yes
Virgin Islands (to USA) V Extant

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Ecuador Ciénaga de La Segua
St Vincent and the Grenadines Ashton Wetland
St Vincent and the Grenadines Mustique Island
St Lucia Castries and Dennery Waterworks Reserve and Marquis
Barbados Graeme Hall Swamp
Nicaragua Tisma Lagoon
Belize Rio Bravo CMA Gallon Jug Estate
Belize Northeastern Belize
Belize Crooked Tree and associated wetlands
Belize Belize Coastal and near shore islands
Costa Rica Palo Verde Wetlands
El Salvador Cerrón Grande
Paraguay Parque Nacional Tinfunqué - Estero Patiño
St Lucia Point Sables
St Lucia Iyanola and Grande Anses, Esperance and Fond D'ors
St Lucia Mandelé Protected Landscape
Virgin Islands (to USA) Magens Bay
Mexico Humedales de Alvarado
Mexico La Encrucijada
Colombia Haciendas Ganaderas del Norte del Cauca
Guyana Ireng River
Guyana South Central Rupununi
Guyana Crane Pond- Rupununi River
Guyana North-west Coastline
Puerto Rico (to USA) Sierra Bermeja and Laguna Cartagena
Mexico Marismas Nacionales
Colombia El Encanto de Guanapalo
Colombia La Aurora
Colombia Paramillo Natural National Park
Colombia Parque Nacional Natural Amacayacu
Colombia Parque Nacional Natural Cueva de los Guácharos
Colombia Reserva Natural Laguna de Sonso
Colombia Bojonawi

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Arable Land suitable breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands major non-breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands major breeding
Altitude 0 - 1500 m Occasional altitudinal limits  

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

Recommended citation
BirdLife International (2022) Species factsheet: Dendrocygna autumnalis. Downloaded from on 03/07/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from on 03/07/2022.