The Mystery Behind the Biggest Bears of All Time

Season 2 Episode 19 | 10m 41s Video has closed captioning.

The short-faced bears turned out to be remarkably adaptable, undergoing radical changes to meet the demands of two changing continents. And yet, for reasons we don’t quite understand, their adaptability wasn’t enough to keep them from going extinct.

Aired: 04/25/19

Rating: NR


Problems Playing Video? | Closed Captioning