Certhia tianquanensis

The Sichuan Treecreeper is a rare species of bird in the treecreeper family, Certhiidae.

The Certhia tianquanensis is classified as Near Threatened (NT), is close to qualifying for or is likely to qualify for a threatened category in the near future.

Range & population Certhia tianquanensis was previously thought to occupy a relatively small range, with records from just five clustered localities in the mountains west of Chengdu and Leshan: Labahe Natural Reserve, Tianquin County; Dayi County; Shuanghe town, Ebian County; Wawu Shan, Hongya County, and Wujipung, Wolong Biosphere Reserve1,2. However, it was recently discovered at Jiuzhaigou Nature Reserve, some 200 km north of the previously known range3. More

Certhia tianquanensis Li, a treecreeper with relict distribution in Sichuan, China. J Ornithol 143: 440-456). The species appears to be more closely related to Brown-throated Treecreeper C discolor than to Eurasian Treecreeper. It is differentiated by a long wing and tail, an extremely short bill and smoky-brown underparts, gradually becoming paler from the upper belly and breast towards the white throat and chin; the genetic difference of the specimen with Brown-throated Treecreeper was 8. More