Totally protected mammals include gibbon, langurs, black giant squirrel, slow loris, and tarsier. The Philippine tarsier, amongst the world's smallest primates, is indigenous to the island. A Tarsier sanctuary is maintained in the town of Corella (Bohol). Horsfield's tarsier is a nocturnal species. The Philippine tarsier measures only about in height, making it one of the smallest primates. It is larger than the pygmy tarsier ("Tarsius pumilus"). The Philippine tarsier is a shy, nocturnal animal that leads a mostly hidden life. Strangely, her monkey form greatly resembles a tarsier. Habitat loss and deforestation contributes to a decline in tarsier populations. The Philippine tarsier has thin, rough fur which is colored gray to dark brown. Tarsier niches are largely as predator and prey. The Chocolate Hills and the Philippine tarsier is featured on the reverse side. The Philippine tarsier uses varied means of communication. Several laws have been passed to protect and conserve the Philippine tarsier. The newborn tarsier is born with much fur and eyes open.