When a crew from New York's Department of Environmental Conservation made their routine annual inspection of Hailes Cave, another hibernaculum nearby, they found thousands of dead bats ...

But bats abound. The nation is home to 12 species, seven of which hibernate domestically—as opposed to migrating elsewhere.

The northern long-eared bat — distinguishable from its close relatives, as one might presume, by its long ears — is a small bat associated with mature, interior forest environments. Unlike most other ...

Every fall, Indiana bats gather in swarms at chosen hibernating spots to mate, swooping in and out of caves from dusk till dawn. Some humans might find this a frightening sight, but in fact bats are ...