Turdus celaenops is endemic to Japan. The majority of the population is resident on the Izu Islands between Oshima and Aogashima, but a few birds move to adjacent parts of Honshu and the Shikoku Islands during winter. There are also small numbers on the islands of Yaku-shima and Tokara in the northern Nansei Shoto Islands. Given that the total area of the Izu Islands is only c.300 km2, it is unlikely that the population ever exceeded more than a few thousands of individuals and is now declining rapidly.
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