Golden Lion Tamarin babies

All kids love a piggy back ride from dad, and these two baby Golden Lion Tamarins are no exception. In Tamarin tradition, the father carries the babies, with mom stepping in only to feed them when they feel hungry. (Photo by Chris Balcombe)


A baby gibbon sits on a swing in its enclosure at Vienna's Schoenbrunn Zoo Jan. The gibbon, born Sept. has yet to be named. Zoologists have difficulty determining a gibbon's sex when it's this young.


A mandrill, Africa-Bright red-and-blue facial markings identify this mandrill as a mature male. Mandrills are the world's largest monkeys.

Rhesus Monkey

A rhesus monkey eating-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.