Ancient Rhinos Lived In Super-Herds 12 Million Years Ago, Analysis Of Supervolcano Victims Reveals
A tragic accident that befellancient rhinosin the mid - Miocene era has appropriate scientist to watch that these massive mammals , which once expand across North America , used to gather in huge super - herd . Around 12 million years ago , over 100 prehistoric rhinos ( Teleoceras major ) gathered at a single water maw in what is now northeast Nebraska . These one - tusk beast had a cask - shape body and stubby leg , quite like a modern hippo ....