The world’s smallest monkey is called the pygmy marmoset ... Although pygmy marmosets are on Ecuador’s red list of endangered species, there is some disagreement among primate specialists ...

the smallest living Old World monkey species that weighs in at only 2 to 3 pounds, about the size of a cottontail rabbit. Talapoins are part of a large group of monkeys called guenons, which are ...

This species occupies forests and woodlands throughout ... Another of the most beautiful monkeys in the world is the lion ...