Bangladesh, Bhutan, Canada, China (mainland), Hong Kong (China), India, Japan, Mongolia (B), Myanmar, Nepal, North Korea, Pakistan, Russia (Asian), Russia (Central Asian) (B) (P), South Korea, Taiwan (China), Thailand, Vietnam.
Vagrant to Austria, Belgium, Croatia (Local Name: Hrvatska), Cyprus, Czech Republic, Denmark, Faroe Islands, Finland, France, Germany, Hungary, Israel, Italy, Kazakhstan, Kuwait, Montenegro, Netherlands Antilles, Northern Mariana Islands, Norway, Oman, Poland, Saudi Arabia, Serbia, Slovenia, United Arab Emirates, United Kingdom, USA.
South-central Siberia (middle R Yenisey east to middle and upper Lena basin); southern boundary uncertain, perhaps discontinuous east of L Baikal, but in western embracing Angara basin and southern L Baikal; small groups also breed north of main range, near Lena and Olenek deltas. Non-breeding from extreme south-eastern Russia south to eastern China (Yangtze basin).
Population
Estimated population is unknown (2010).
Naumann's Thrush (Turdus naumanni) [XC863199]
by \u5c0f\u83dc\u9e1f from Olympic Forest Park North Park, Beijing, Bei Jing Shi, China (call)
Naumann's Thrush (Turdus naumanni) [XC877983]
by Andrew Spencer from \u6d59\u6c5f, China (call)
Subspecies
No subspecies.
Frequently treated as conspecific with Dusky Thrush (Turdus eunomus). Taxonomic separation based on very different phenotypic characters, but the two intergrade over wide area. Further study is required.
BirdLife International Species Factsheet