ST. LOUIS (KMOV/Gray News) - Anyone can now visit the young Mexican spider monkeys living at the Saint Louis Zoo, but their journey was far from easy. Four young spider monkeys are now happily ...

Spider monkeys live in fluid social groups that split and reform, allowing information about food sources to spread across the population. By moving between subgroups, individual monkeys help create a ...

When spider monkeys want to tell others about the best fruit trees in the forest or ones they've missed, they do so by changing their social groups to share what they know, according to a new study ...