Pellorneum buettikoferi
Habitat
Subtropical or tropical moist lowland and montane forest
Range
Endemic to Indonesia (Sumatra)
The Sumatran babbler is a babbler of the family Pellorneidae endemic to Indonesia, in subtropical or tropical moist lowland and montane forest. It is threatened by habitat loss and used to be considered a subspecies of the buff-breasted babbler (Wikipedia, general species account).