Biet's Laughingthrush is endemic to China, but its distribution and population remain poorly documented. Two active nests found at Laojun Mountain in 2021 and 2024 were in mixed forest with bamboo.
Its plumage is described as a blend of chestnut, black, and fine white speckles.
Researchers found two active nests at Laojun Mountain in southwest China, in 2021 and 2024. Both were in mixed coniferous and broad-leaved forest with bamboo, and both parents incubated eggs and fed nestlings.
An extinction-risk assessment has not been added yet.