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

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

It belonged to oversize hoofed mammals like toxodonts, distant relatives of today’s rhinoceroses and tapirs; tall crocodiles ...

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

Evolutionary biologist Federico Degrange from Argentina's Center for Research in Earth Sciences and colleagues found the bird ...

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

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

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

Researchers confirm the terror bird fossil 20 years after its South American discovery, comparing the creature to a massive, ...

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

In Colombia, a fossil-collecting rancher has found a giant, flightless killer from 13 million years ago — and a missing link to the region’s evolutionary history. César Perdomo, a rancher and ...

A team of researchers analyzed a 12-million-year-old fossilized bone discovered in Colombia's fossiliferous Tatacoa Desert ...