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

PBS Member Stations rely on viewers like you. To support your local station, go to ↓ More info below ↓ 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.  The illustration of Paraceratherium used in the thumbnail is by Dmitry Bogdanov! Produced in collaboration with PBS Digital Studios: Super special thanks to the following Patreon patrons for helping make Eons possible: Hillary Ryde-Collins, Facts Dinosaurs, Frida Coffey, YaBoiSam36, Matt D, Yu Mei, Colleen Troussel, Dan Ritter, Drew Hart, faxo, Gary Walker, Stephanie Tan, Minyuan Li, Ben Cooper, Olesya Mikulskaya, Robert Noah, Matt Parker, Heathe Kyle Yeakley, Jerrit Erickson, Jack Arbuckle, David Sewall, Anton Bryl, MissyElliottSmith, Zachary Spencer, Stefan Weber, Andrey, Ilya Murashov, Larry Wilson, Merri Snaidman, Marcus Lejon, Robert Arévalo, Todd Dittman, Betsy Radley, Laura Sanborn, PS, Philip Slingerland, John Vanek, Eric Vonk, Henrik Peteri, Jon Monteiro, James Bording, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Daisuke Goto, Hubert Rady, Gregory Kintz, Tyson, Chandler Bass, Joao Ascensao, Tsee Lee, Robert Hill, Anthony Callaghan. If you’d like to support the channel, head over to and pledge for some cool rewards! Want to follow Eons elsewhere on the internet? Facebook - Twitter - Instagram - References: