Standing around 10 feet tall, weighing around 220 pounds and with an axe-like beak capable of delivering devastating strikes, the terror bird would have proved a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Millions of years ago, apex predators in the Phorusrhacidae family ...

Teeth marks made on the leg bone of a large avian reptile known as a terror bird 13 million years ago suggest an even bigger predator may have killed it, scientists ...

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A 12-million-year-old fossil of a prehistoric "terror bird" discovered in South America might represent the largest known member of its kind found to date, a study ...

The heavy-beaked predators called terror birds sat at the top of the food chain for much of the past 65 million years. Now scientists have identified a fossil from ...

Nearly 12 million years ago, the largest "terror bird" ever discovered was attacked and killed by a massive caiman, a 3D analysis of its fossilized leg suggests ...

The identification of part of the fossilized remains of a so-called "terror bird" species in South America has given researchers new insight into the apex predators ...