The hog deer exists in forest edges and open grassland habitats on the islands of Culion and Busuanga, which during the Pleistocene were part of the landmass of Greater Palawan, but not on Palawan itself nowadays.
The hog deer is found in forest edges and open grassland areas on Culion and Busuanga islands. These locations were once part of Greater Palawan during the Pleistocene, though they are no longer present on Palawan.