Evidence for bat-like flying mammals appears as far back as the Eocene Epoch, some 50 million years ago; however, the fossil record tracing bat evolution is scanty. Based on similarities of bones and ...

A running vampire bat is weird and awesome. June 21, 2013. By Sarah Kliff. Do you have questions about vampire bats? Well, today is your lucky day: Carl Zimmer has some vampire bat facts for you!

But the vampire bat itself is hardly the agent of evil its association with Dracula would suggest. Here are seven things you may not have known about these creatures. Not all bats are vampire bats.