The Chaotung vole (Eothenomys olitor), also known as the black-eared red-backed vole, is a species of rodent in the family Cricetidae.

It is found only in Yunnan, Sichuan, and Guizhou provinces of south-central China.

[1] It inhabits montane forests from 1,800 to 3,350 metres elevation.

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