The Sikkim treecreeper (Certhia discolor) is a species of bird in the treecreeper family.
It is found in Bhutan, Nepal and Northeast India.[1]
Its natural habitats are temperate forests and subtropical or tropical moist montane forests.
The form C. d. manipurensis of southern Manipur and southwestern Burma has a rich cinnamon throat and breast, and molecular evidence and is usually now treated as a separate species, the Hume's treecreeper, C. manipurensis Hume, 1850.[2]