Balabac Island is home to various endemic species. It is the home of birds like the grey imperial pigeon (Ducula pickeringii), Philippine cockatoo (Cacatua haematuropygia), blue-headed racket-tail (Prioniturus platenae), and the Palawan hornbill (Anthracoceros marchei). The Philippine mouse-deer, a subspecies of the greater mouse-deer (Tragulus napu) can only be found in this island.