Primates are a group of mammals that includes humans and our close relatives, such as apes, monkeys and lemurs. Monkeys, such as capuchins and macaques; prosimians, like lemurs and tarsiers; lesser ...

Tarsiers are little-known nocturnal primates about the size of a tennis ball. Once more widespread, the animals are now limited to the Southeast Asian islands of the Philippines, Malaysia, Brunei, and ...

Mother and baby Tarsier in Tangkoko. Photo by Rhett Butler. The spectral tarsier of Sulawesi is one of the world’s smallest primates, weighing roughly the equivalent ten U.S. quarters when full-grown.