Scientists have discovered that humans aren’t the only animals who engage in social networking. Orangutans living in the wild will plan out their next day in advance and invite their friends along. In the evening, a dominant male orangutan will face in the direction he plans to travel the next morning and let out a series of whooping calls, detailing exactly where he plans to go.

Scientists think that the male orangutans are letting the females in the their social group know where to find them. Female orangutans will