美洲猎豹真的是猎豹吗？

The American cheetah might need a new moniker. Genetic and fossil analyses reveal this extinct cat is more closely related to modern-day pumas than to cheetahs, researchers report in Current Biology. And it may have hunted more like pumas do, too. “Calling it the American cheetah implies a specific behavior and ecology, which isn’t necessarily appropriate for this species,” says molecular ecologist Molly Cassatt-Johnstone of the University of California, Santa Cruz. The long-legged feline Miracinonyx trumani roamed North America’s grasslands tens of thousands of years ago during the Pleistocene Epoch. …