Humans are, at our core, social mammals. We build relationships, communicate, reproduce, establish territories, and adapt to shrinking resources. Chimpanzees, wolves, gorillas, and bears are among the most charismatic of the social mammals we know—besides ourselves. They’re also under threat. Join biologist turned photographer Ronan Donovan as he talks about the incredible similarities we humans share with other social mammals in the animal kingdom, and what we can learn from them.