April 27, 2018
Dark storm clouds start gathering across the sky as Felix, a senior field assistant at Proyecto Tití, glances impatiently at his watch. Soon it will be pouring rain, turning Colombia’s 1,000-acre Ceibal National Forest into quicksand. Felix is eager to get back indoors before that happens. He looks up and follows the movements of a female cotton-top tamarin sitting on a branch of a fruit tree. Felix is keeping his eye on her.