Photographers scaled mountains and climbed towering trees to capture these astounding images of animals living at the top of the world.
BY ANNIE ROTH
Tempted by the fruit of a strangler fig, a Bornean orangutan climbs 100 feet into the canopy. Borneo, Indonesia.
Red-and-green macaws gather on clay cliffs to gorge themselves on the mineral-rich mud. Manu, Peru.
An emerald tree boa coils itself around a branch. Guyana