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 ...

This spider doesn’t run or hide when danger strikes. Instead, it builds a fake version of itself — and predators fall for it. Survival demands remarkable strategies in the understory of tropical ...

Deep in the forests of Mexico’s Yucatan Peninsula, a story of animal intelligence and social cooperation has unfolded over the last decade. Researchers studying Geoffroy’s spider monkeys have ...