The topography is hilly. The forest extends from altitude 200 m asl.
Five from six globally threatened species live in this area (Lesmana et.al. 2000). New discovery in this century for Wetar Ground-dove Gallicolumba hoedtii also from this area. Follow up survey is needed especially for Timor Black Pigeon Turacoena modesta, Timor Imperial Pigeon Ducula cineracea, Yellow-crested Cockatoo Cacatua sulphurea, Wetar Ground-dove Gallicolumba hoedtii and Timor Green Pigeon Treron psittacea. Two of new species for Timor Island is Black-eared Cuckoo Chrysococcyx osculans and Eyebrowed Thrush Turdus obscurus live in this area. This area is one of the most threatened site in Timor.
BirdLife International (2019) Important Bird Areas factsheet: Gunung Timau. Downloaded from http://www.birdlife.org on 24/08/2019.