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Teeth marks on fossil show ‘terror bird’ may have been killed in vicious battle with caiman 13 million years ago
Teeth marks seen on the leg bone of a so-called ‘terror bird’, which were predators 13 million years ago, suggest it may have been killed by an even bigger ...
About 13 million years ago in a vast South American wetland, colossal predators clashed. The fossilised bone from an enormous flightless bird found in Colombia shows tooth marks made by a giant caiman ...
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