Ancient Arctic Mystery Unveiled: Meet the Lost ‘Polar Rhino’ Frozen in Time for 23 Million Years
Through extracting and analyzing the proteins in the rhino’s teeth, researchers concluded that the Arctic rhino is similar to species found in Europe, the Middle East, and southwestern Asia. Researchers believe that the rhino could have traveled from these regions to Canada using the land bridge.
However, this would mean that the North Atlantic Land Bridge existed for far longer than previously thought. It was initially believed that the land bridge disappeared during the early Eocene, roughly 30 million years before E. itjilik inhabited Canada. The researchers also suggested that it was possible that the land bridge had already broken up into islands by the time the rhino made its journey to Canada, making it still possible to cross.
However, this theory has not been universally accepted. A paleooceanographer who was not involved with the study, Philip Sexton, told the Globe and Mail that the theory “conflicts with all geological evidence.”
Regardless of how the animal got to Canada, the discovery of the Arctic rhino has inspired the researchers to think about what other unknown prehistoric animals once lived in this region.
“We often think about the tropics as centers for biodiversity—and they are,” lead author Danielle Fraser told Reuters. “But the more fossil discoveries we make in the Arctic, the more it is becoming clear that it was an essential region in the evolution of mammals.”
After reading about the newly discovered polar rhino, take a look at 11 unbelievable prehistoric animals. Then, learn about the prehistoric rhino heard discovered in Nebraska.
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