Eons

Season 3, Episode 28

Episode Title: When Bats Took Flight

Air Date: 2019-09-11

Overview:

Bats pretty much appear in the fossil record as recognizable, full-on, flying bats. And they show up on all of the continents, except Antarctica, around the same time. So where did bats come from? And which of the many weird features that bats have, showed up first?