Million-Year-Old Fossils Show Hippos Going for a Swim
When you purchase through links on our internet site , we may earn an affiliate commission . Here ’s how it works . More than a million years ago , hippopotamuses paddled across a shallow pool in the neighborhood that ’s now northern Kenya , occasionally skin their metrical foot on the sandlike bottom . Today , researcher have evidence of the Hippo ' momentary swim in the form of ossified footprints ....