Measuring barely the size of a human fist, the Philippine tarsier is one of the world’s smallest primates. These remarkable, nocturnal creatures are famously delicate, possessing an intense sensitivity to physical touch and noise that makes captivity fatal to them. Today, they face a triple threat to their survival: exceptionally low birth rates, exploitative tourism, and ongoing habitat destruction. To protect them, the Philippine Tarsier Foundation runs a specialized forest preserve where eco-tourists can quietly observe these tiny, wide-eyed primates without disrupting their fragile ecosystem.