Birds comprise the largest group of vertebrates found in the park. Of the 252 bird species known to occur in Palawan, a total of 165 species of birds were recorded in the park. This represents 67% of the total birds and all of the 15 endemic bird species of Palawan. Notable species seen in the park are the blue-naped parrot ("Tanygnathus lucionensis"), Tabon scrub fowl ("Megapodius cumunigii"), hill myna ("Gracula religiosa"), Palawan hornbill ("Anthracoceros marchei"), white breasted sea eagle ("Haliaeetus leucogaster").