Dusky Thrush Turdus eunomus


Taxonomic note
Turdus naumanni and T. eunomus (del Hoyo and Collar 2016) were previously lumped as T. naumanni following AERC TAC (2003), AOU (1998 & supplements), Cramp et al. (1977-1994) and Sibley & Monroe (1990, 1993).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

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

Red List history
Year Category Criteria
2016 Least Concern
Species attributes

Migratory status full migrant Forest dependency low
Land-mass type Average mass 78 g

Estimate Data quality
Extent of Occurrence (breeding/resident) 8,730,000 km2
Extent of Occurrence (non-breeding) 6,640,000 km2
Severely fragmented? no -
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend unknown - - -
Generation length 6.1 years - - -

Population justification: The global population size has not been quantified, but the species is described as common (del Hoyo et al. 2005).

Trend justification: The population trend is difficult to determine because of uncertainty over the impacts of habitat modification on population sizes.

Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Austria extant vagrant
Bangladesh extant native yes
Belarus extant vagrant
Belgium extant vagrant
Bhutan extant native yes
Canada extant vagrant
China (mainland) extant native yes
Croatia extant vagrant
Cyprus extant vagrant
Czechia extant vagrant
Denmark extant vagrant
Faroe Islands (to Denmark) extant vagrant
Finland extant vagrant
France extant vagrant
Germany extant vagrant
Hong Kong (China) extant native yes
Hungary extant vagrant
India extant native yes
Israel extant vagrant
Italy extant vagrant
Japan extant native yes
Kuwait extant vagrant yes
Montenegro extant vagrant
Myanmar extant native yes
Nepal extant native yes
Netherlands extant vagrant
Northern Mariana Islands (to USA) extant vagrant
Norway extant vagrant
Oman extant vagrant
Pakistan extant native
Philippines extant vagrant
Poland extant vagrant
Russia extant native yes yes
Russia (Asian) extant native yes
Russia (Central Asian) extant native yes yes
Saudi Arabia extant vagrant
Serbia extant vagrant
Slovenia extant vagrant
South Korea extant native yes
Taiwan, China extant native yes
Thailand extant native yes
United Arab Emirates extant vagrant
United Kingdom extant vagrant
USA extant vagrant
Vietnam extant native yes

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

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Plantations suitable non-breeding
Artificial/Terrestrial Rural Gardens suitable non-breeding
Forest Boreal suitable breeding
Forest Temperate suitable resident
Grassland Temperate suitable resident
Grassland Tundra marginal breeding
Rocky areas (eg. inland cliffs, mountain peaks) suitable resident
Shrubland Boreal suitable breeding
Shrubland Temperate suitable resident
Altitude 0 - 3000 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2024) Species factsheet: Turdus eunomus. Downloaded from on 03/03/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from on 03/03/2024.