This feature keeps the eyeballs from being pressed against by the powerful temporal muscles to their sides. Like and owl, the tarsier has a joint between its skull base and spine to allow head movement of an 180 degree arc. It also lacks dental comb, but is aberrant in lacking one set of lower incisor teeth 2.1.3.3. The tarsiers hands have pads like suction cups on the ends of the digits, enabling it to move up vertical surfaces easily, even glass. It is used to clean fur and skin of dirt and ectoparasites.
Tarsiers live on islands of Southeast Asia.
They are creatures of the tropical rain forest, spending majority of their time in the canopy of the jungle, leaping from limb to limb. Tarsiers can leap up to seven feet, and when placed on the ground they also hop erect. They are nocturnal and one of their main predators is the owl. Prosimians are generally soft food omnivores. Tarsiers prefer animal protein in the form of insects and small vertebrate animals.