The Philippine tarsier (Tarsius syrichta), known locally as the Maumag, an endangered tarsier species endemic to the Philippines, Southeast Asia, Asia

Spectral Tarsier (Tarsius tarsier) one of the smallest primates, now endangered, insect eating and nocturnal, Tangkoko National Park, Minahasa Highlands, North Sulawesi, Indonesia, Southeast Asia, Asia

Spectral Tarsier (Tarsius tarsier) one of the smallest primates, now endangered, insect eating and nocturnal, Tangkoko National Park, Minahasa Highlands, North Sulawesi, Indonesia, Southeast Asia, Asia

Spectral Tarsier (Tarsius tarsier) one of the smallest primates, now endangered, insect eating and nocturnal, Tangkoko National Park, Minahasa Highlands, North Sulawesi, Indonesia, Southeast Asia, Asia

Spectral Tarsier (Tarsius tarsier) one of the smallest primates, now endangered, insect eating and nocturnal, Tangkoko National Park, Minahasa Highlands, North Sulawesi, Indonesia, Southeast Asia, Asia

A Gursky's Spectral Tarsier (Tarsius spectrumgurskyae), eating a grasshopper in Tangkoko Batuangus Nature Reserve, Sulawesi, Indonesia, Southeast Asia, Asia

A Gursky's Spectral Tarsier (Tarsius spectrumgurskyae), eating a grasshopper in Tangkoko Batuangus Nature Reserve, Sulawesi, Indonesia, Southeast Asia, Asia

An adult Gursky's Spectral Tarsier (Tarsius spectrumgurskyae), in Tangkoko Batuangus Nature Reserve, Sulawesi, Indonesia, Southeast Asia, Asia

A Gursky's Spectral Tarsier (Tarsius spectrumgurskyae), eating a grasshopper in Tangkoko Batuangus Nature Reserve, Sulawesi, Indonesia, Southeast Asia, Asia

A Gursky's Spectral Tarsier (Tarsius spectrumgurskyae), eating a grasshopper in Tangkoko Batuangus Nature Reserve, Sulawesi, Indonesia, Southeast Asia, Asia

An adult Gursky's Spectral Tarsier (Tarsius spectrumgurskyae), in Tangkoko Batuangus Nature Reserve, Sulawesi, Indonesia, Southeast Asia, Asia

Tarsier, Chocolate Hills, Bohol Island, Visayas, Philippines

Tarsier, Chocolate Hills, Bohol Island, Visayas, Philippines

Philippine Tarsier (Tarsius syrichta), Bohol, Philippines, Southeast Asia, Asia

Spectral Tarsier (Tarsius spectrum, Tarsius tarsier), Tangkoko National Park, Sulawesi, Indonesia, Asia

Spectral tarsier (Tarsius spectrum),Tangkoko Batuangus Nature Reserve; North Sulawesi, Indonesia

Spectral tarsier (Tarsius spectrum),Tangkoko Batuangus Nature Reserve; North Sulawesi, Indonesia

Philippine tarsier, Tarsius syrchta, Philippines, Bohol, Philippines Island

Philippine tarsier, Tarsius syrchta, Philippines, Bohol, Philippines Island

Spectral tarsier (Tarsius spectrum, also called Tarsius tarsier), Tangkoko National Park, Sulawesi, Celebes, Indonesia

Gursky's spectral tarsier Tarsius spectrumgurskyae (sp. nov. M. Shekelle and al.) North Sulawesi

Spectral tarsier (Tarsius tarsier) is sitting on a tree in the jungle. Indonesia. Sulawesi Island.