Mts. Iglit-Baco Natural Park is the habitat of the endemic Tamaraw (Bubalus mindorensis), listed by the International Union for the Conservation of Nature as critically-endangered. Because of the endangered Tamaraw, the Park was initially established as “game refuge and bird sanctuary” before it was declared as an ASEAN Heritage site.
The Park is also home to two (2) Indigenous Peoples’ group: the Tau-Buid and Buhid,thus it was earlier categorized as Mangyan Heritage Natural Park. This social attribute, coupled with the presence of the Tamaraw, has earned the Park an international recognition making it as one of the ASEAN Heritage Parks.
Other forms of wildlife can also be found in the Park such as the Philippine Deer and Wild Pig as well as a number of bird species which are endemic to the island.