Tiger beetles generate "anti bat-sonar" to prevent echolocating bats from eating them, scientists say. An experiment suggests the beetles mimic sounds created by poisonous insects that bats avoid.

As darkness falls, a greater Japanese horseshoe bat gets ready to head out for the night’s hunt. As it takes flight, it uses its refined hearing to zero in on a target in the noisy forest. The ...

KELLY: Bats flying out of their caves by the thousands, sometimes tens of thousands. Across the world, it happens every night. And for the bats, you might think it was a nightmare, too - a traffic ...