The Tarsier is a small primate found in Southeast Asia, primarily in the Philippines, Borneo, and Sumatra. Known for their enormous eyes, which are crucial for their nocturnal lifestyle, tarsiers have a keen sense of sight and hearing, aiding in their ability to hunt insects and small vertebrates at night.

These primates are also known for their unique physical features, including long fingers and toes, which help them grasp branches, and a tail longer than their body, providing balance. Despite their small size, tarsiers are agile jumpers, capable of leaping several meters between trees.

Tarsiers are classified under the family Tarsiidae and the infraorder Tarsiiformes. They are considered one of the oldest living primates, with a lineage that dates back around 45 million years. Conservation efforts are ongoing to protect tarsier populations, as they are threatened by habitat loss and fragmentation.