Slide Image: The photograph shows a man adjusting an Automated Radio Telemetry System (ARTS), which is for monitoring animal location and survival. The man is high above the tropical rain forest. Rain forest trees and a large body of water are below him and in the distance.

Location: Smithsonian Tropical Research Institute, Barro Colorado Island, Panama

Image Credit: Christian Ziegler

Source: Martin Wikelski, Princeton University