The Sunda scimitar babbler (Pomatorhinus bornensis) is a species of bird in the family Timaliidae. It is endemic to Sumatra, Borneo, and Malaysia. The Sunda scimitar babbler and the Javan scimitar babbler being grouped as the chestnut-backed scimitar babbler.[1] Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.