Spider monkeys don't leave the safety of the trees for much—but they will for some mineral-rich clay. | National Geographic

A baby spider monkey learns how to climb! This clip is taken from an episode of Natural World - Jungle Animal Hospital, which follows the work of a Guatemalan animal rescue centre. The patients, many of them orphans rescued from the illegal pet trade are nursed back to health by a team of dedicated vets. | BBC Earth

How did spider monkeys get their name? They are called spider monkeys because they can look like large spiders when moving through the forest canopy. | Nature | PBS