In 1970 Jack Ewing and his family left Colorado for Costa Rica where, over the decades, he helped convert a former cattle ranch into Hacienda Bar National Wildlife Refuge, now a well-known ecotourism destination on the southwest coast of Costa Rica. He is currently president of two environmental organizations, ASANA (Association of Friends of Nature) and FUNDANTA (Foundation for the Path of the Tapir Biological Corridor). His books include Monkeys Are Made of Chocolate, and Where Tapirs and Jaguars Once Roamed.