What matters to you.
0:00
0:00
NEXT UP:

The Rise and Fall of the Tallest Mammal to Walk the Earth

Season 3 Episode 26

About the Episode

It arose from rhino ancestors that were a lot smaller, but Paraceratherium would take a different evolutionary path. Believe it or not, it actually became so big that it probably got close to what scientists think might be the actual upper limit for a land mammal.

Aired: 12/12/20 | Expires: | Runtime: 7m 53s
Support for GBH is provided by: