The bone, described two decades after its discovery, suggests the species might have grown up to 20 percent bigger than other ...

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

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

In Colombia, a fossil-collecting rancher has found a giant, flightless killer from 13 million years ago — and a missing link ...

A massive terror bird fossil, the largest of its kind, was recently uncovered in Colombia’s desert—shedding light on ancient ecosystems.

The fossilized leg bone of the terror bird went unidentified for almost 20 years. Nearly 12 million years ago, the largest ...

Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct ...

The fossilized leg bone of a giant “terror bird” discovered in Colombia provides new insights into ancient South American ecosystems, suggesting the bird was a major predator in a once-lush region ...

While past terror bird fossils placed the meat-eating birds at 3 to 9 feet tall, new findings suggest that some were even ...