Permanent mother-infant separation prior to natural weaning is a common husbandry practice in monkey breeding colonies. In the United States, such colonies have been established in all eight Regional ...

The rhesus macaques are Asian, Old World monkeys that are primarily found in Afghanistan, Pakistan, India, Southeast Asia and China. Rhesus macaques were imported to the U.S. in the 1970s for ...

These vocal primates are the biggest of all the New World monkeys. Unlike Old World monkeys, howlers and other New World species have wide, side-opening nostrils and no pads on their rumps.

Let’s find out about the lifespan of monkeys. Monkeys are broken down into two sub-categories: Old World and New World. Old ...

There are over 300 species of monkeys divided into two groups, the Old World, of which there are over 170 species, and the New World, of which there are over 160 species. Of these species ...

For instance, has evolution proceeded differently in New World monkeys versus Old World monkeys? New World monkeys last shared a common ancestor with Old World monkeys about 30-50 mya, but the ...