Add Yahoo as a preferred source to see more of our stories on Google. The identification of part of the fossilized remains of a so-called "terror bird" species in ...

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 ...

Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct giant meat-eating bird—which they say could be the largest known member of its ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Millions of years ...

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 ...

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 fossil ...

Follow this author to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings A fossil skull of the terror bird ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Long before big cats, terror birds reigned as apex ...

Introduction : changing the questions in avian paleontology / Gary Kaiser and Gareth Dyke -- Theropod diversity and the refinement of avian characteristics / Peter J. Makovicky and Lindsay E. Zanno -- ...

(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 ...

The end of a terror bird’s left tibiotarsus, a lower leg bone in birds equivalent to that of a human tibia or shin bone, dates back to the Miocene epoch around 12 ...