How Long Should a Species Stay on Life Support?
Updated at 6:50 p.m. ET on March 15, 2024
At about 3:30 a.m., four hours into our drive, Travis Livieri’s phone began to thrum. “I’ve got a ferret for you,” a voice crackled through the static. The animal in question was one of North America’s most endangered mammals, for which the next hour might be the strangest of her life; for Livieri, the wildlife biologist tasked with saving her, it would be one of thousands of interventions he’s made to prevent her kind from permanently vanishing.