Golden Lion Tamarin
The critically endangered golden lion tamarin is named for its striking orange mane. Golden lions live primarily in the trees. They sleep in hollows at night and forage by day while traveling from branch to branch. Long fingers help them stay aloft and snare insects, fruit, lizards, and birds.
Japanese macaques, also called snow monkeys, live farther north than any other non-human primates. Their thick coats help them survive the frigid temperatures of central Japan highlands. But when the mercury really plummets, they go to plan B: hot-tubbing in the region many thermal springs.
Bright red-and-blue facial markings identify this mandrill as a mature male. Mandrills are the world largest monkeys.
The last of the grass-grazing primates, Ethiopia gelada monkeys live in matriarchal societies.
The highly vocal howler monkey is the largest of the New World (Central and South America) monkeys.
Spider monkeys, like this young one in Bolivia Madidi National Park, are dependent on their mothers for about ten weeks after birth.
Though rhesus monkeys feed mainly on leaves and roots, they supplement their diet with insects and other small animals. The Asian monkeys collect food and hoard it in specialized cheek pouches, saving morsels for later
Also known as green monkeys, vervets inhabit much of sub-Saharan Africa.
Olive baboons, like this mother and baby, are one of five baboon species. All live in Africa or Arabia
Among the most common of South American monkeys, squirrel monkeys can move through the trees using great, bounding leaps.