Martin Gilbert watched steep, green hillsides flash by as his plane descended in a narrow, winding valley to reach the airport for Bhutan’s capital city, Thimphu. The route is considered one of aviation’s most dangerous approaches but Gilbert, a veterinarian who studies wild carnivore diseases for the Cornell University College of Veterinary Medicine, is no stranger to remote locations and peril. Gilbert began planning his trip to Bhutan the minute he heard the news. One of Bhutan’s rare, high-elevation tigers was wandering the outskirts of Thimphu in daylight—strange for a…
