Fossil of an extinct Phorusrhacid "terror bird" in the Tatacoa Desert reveals insights into ancient predators and ecosystems.

The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...

A Colombian rancher has discovered a fossilized bone that points to the existence of a giant terror bird species. The fossil, ...

Bobcats are stealthy and powerful predators that have mastered a variety of hunting techniques to survive in the diverse habitats of North America. From dense forests to arid deserts, they’ve adapted ...

Analyzing a leg bone from a fossil site in Colombia, scientists have identified a massive “terror bird” that lived about 12 ...

October through January is the breeding period for the bald eagles that reside in the region, and migratory eagles are making ...

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

Grey wolves and coyotes, distinct North American canids, exhibit unique survival strategies. While larger wolves form packs to hunt large prey, smalle ...

The fossil of a massive predator called a terror bird that roamed South America 12 million years ago is from the largest ...

It's not uncommon for locals to report such a sight, but there's likely a sinister reason it's happening, one expert warns.