Ancient ‘terror birds’ may have been no match for hungry giant caimans
A 13-million-year-old leg bone from an enormous flightless bird carries crocodilian tooth marks, showing South America was once a predator-eat-predator world
A 13-million-year-old leg bone from an enormous flightless bird carries crocodilian tooth marks, showing South America was once a predator-eat-predator world
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