Looking high into the treetops, Sebastian Ramirez searched for familiar faces. For the past year, he’s been following a group of spider monkeys. Each day, he and his team track one of them and take notes. “We do what they do,” Ramirez said. “When they rest, we rest. When they move, we move.” Apart from recording the monkeys’ behavior and noting their movements via GPS, the biologists have one main task as they continue their decade-long study. “We never interfere with the animals,” he said. “Particularly because we’re in such a pristine environment.” A female spider monkey named Eva led a small troupe through the forest canopy looking for fruit. Seeds rained down on the biologists as the monkeys stopped to eat. After a […]