Which Bear Is Best?
Why do some species flourish and others falter? Sometimes it just comes down to luck. A big thank-you to our supporters on https://www.patreon.com/MinuteEarth : - Today I Found Out - Maarten...
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About a million years ago, some intrepid black bears and ferrets crossed the Bering land bridge into North America. Over thousands of generations, the ferrets and bears on different continents became different species, but they still look and act a lot alike. But the American bear and the Asian ferret are thriving, while the Asian bear and American ferret are at risk of extinction. Both sets of cousins owe their uneven luck to another intrepid species – a hairless ape that began its rapid spread some 60,000 years ago, eventually crossing the same land bridge into North America. As its numbers grew, many other species' numbers and habitats shrank. And everywhere it went, the human's big brain helped it develop the tools for success, but it also gave...
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About a million years ago, some intrepid black bears and ferrets crossed the Bering land bridge into North America. Over thousands of generations, the ferrets and bears on different continents became different species, but they still look and act a lot alike. But the American bear and the Asian ferret are thriving, while the Asian bear and American ferret are at risk of extinction. Both sets of cousins owe their uneven luck to another intrepid species – a hairless ape that began its rapid spread some 60,000 years ago, eventually crossing the same land bridge into North America. As its numbers grew, many other species' numbers and habitats shrank. And everywhere it went, the human's big brain helped it develop the tools for success, but it also gave...
