Quoting the podcast: "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."
Image: Indricotherium transouralicum, the largest land mammal ever to live, standing 13 feet (or over 4 meters) at the shoulder.
Credit: Paleontological Institute, Russian Academy of Sciences https://ucmp.berkeley.edu/pin/pintert.html
EAS Graduate Student C.J. Salcido is a contributing writer to the PBS EONS podcast series.
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