Wendy Maruyama’s recent work, The WildLife Project, was inspired by the harm being done to African elephants. Informed by the issues and problems of poaching and its impact on wildlife ...

Elephant grunting ... To learn more about what you've seen on this "Nature" program, visit pbs.org.

But one herd of elephants at the San Diego Zoo Safari Park in Escondido, Calif., had their own plan — circle up and stand together. Security footage from the park shows the moment clearly.