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 ...

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 ...

(CNN) — Millions of years ago, long-legged, big-beaked, meat-eating “terror birds” stalked the Americas. The imposing creatures ruled the roost as top predators ...

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 ...

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 ...

Skeleton of the terror bird Titanis walleri at the Florida Museum of Natural History. (Amanda via Wikimedia Commons / Creative Commons Attribution 2.0 Generic) (CN ...

Add Yahoo as a preferred source to see more of our stories on Google. 12 million years ago, a fearsome predator roamed the ancient landscapes of South America. It was ...