True to their nickname, terror birds (Phorusrhacidae) are known as one of the largest and also the most fearsome birds to ever live. These were flightless birds with ...

“Terror birds” were giant, flightless, meat-eating creatures that roamed what is now South America for millions of years. As their threatening name suggests ...

A handful of bite marks on a fossil tens of millions of years old speaks to an ancient tussle between two terrifying apex predators. Reading time 2 minutes Sometime between 16 and 11.6 million years ...

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 ...