The lower primates include the prosimians lemurs, lorises, and tarsiers; which were the first primates in North America, Europe, and Asia. Lemurs now occur only on Madagascar, an island off the coast of Africa. They are mostly tree-dwelling, nocturnal animals with a moist nose and a long furry tail. Lorises are slow-moving, tailless, and nocturnal and live in trees. They are found in Southeast Asia and Africa. Tarsiers are small primates with big bulging eyes and a long, thin, naked tail. They are mainly tree-dwelling, nocturnal creatures of the islands of Southeast Asia. Mostly occurring in tropical areas, many present-day primates are arboreal, with long nimble limbs for climbing and four fingers and an opposable thumb covered by nails for