Since white-nose syndrome was first identified, just twelve years ago, it has spread to thirty-one states. The consequences—for bats, humans, and the U.S. economy—could be disastrous.
Credit: Michael Durham / Minden Pictures

Late last summer, the biologist Mark Gumbert began flying over the farmlands of Iowa, looking for bats. As the animals foraged and moved through the night, he followed from above, circling the rivers and fields in his single-engine Cessna 172, trying his best not to lose the signals from their transmitters. Over the past decade or so, Gumbert has pioneered the study of bat migrations using radio telemetry, a method of wildlife tracking typically reserved for caribou, moose, and other big game, which tend to travel at moderate speeds. “A wolf running across the ground can move pretty quick, but they’re not going to run all night,” Gumbert told me recently. A bat, on the other hand, can be nearly impossible to trail on foot or by truck. Gumbert and his team at Copperhead Environmental Consulting were the first to observe an […]