The imposing creatures ruled the roost as top predators of their terrestrial ecosystems, and scientists recently discovered ...

A 12-million-year-old fossil has revealed what may be the largest known "terror bird" ever found, according to ...

Starling murmurations are breathtaking aerial displays of thousands of birds moving in harmony. This collective behavior, ...

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

Terror birds were apex predators some 12 million years ago in South America. A newly published discovery could be the largest yet.

Phorusrhacid birds, better known as "terror birds," were some of the most impressive predators to ever walk the Earth.

The bone, described two decades after its discovery, suggests the species might have grown up to 20 percent bigger than other terror birds Alexa Robles-Gil Daily ...

In the Highlands of Scotland, a series of last-ditch efforts are being used to try to save the critically endangered ...