Otter-like critter swam lakes and rivers in the age of dinosaurs
About 165 million years ago, a furry critter that swam like a platypus, hunted like an otter and had a tail similar to a beaver’s frolicked in the lakes and rivers of what is now China pursuing fish and salamanders, the oldest-known example of a semiaquatic lifestyle in mammalian evolutionary history. Researchers are…
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