Yasuní National Park, Ecuador

Photograph by Steve Winter , National Geographic

From the bromeliads, ferns, and orchids that cover a kapok tree 160 feet above the forest floor to the jaguars that prowl below, Ecuador 's Yasuní National Park is home to countless plant and animal species. All of them now face threats from oil development.

Watch a behind-the-scenes video from the shoot » See pictures of tropical rain forests »