When Bats Took Flight
Season 2 Episode 35 | 11m 10s Video has closed captioning.
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?
Problems Playing Video? | Closed Captioning