This small warbler lives in the highlands of the Sunda Islands. On Borneo it hides in scrub, sings often, and feeds on insects.
It is a small, plain brown warbler. The field guide gives a body length of about 12–13 cm.
In Borneo's highlands it hides in dense scrub and forest edges, so its loud song is often heard before the bird is seen. It eats insects.
An extinction-risk assessment has not been added yet.