Terror Bird, Prehistoric Predator

The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...
The fossilized leg bone of the terror bird went unidentified for almost 20 years. Nearly 12 million years ago, the largest ...
A fearsome flesh-eating bird from the Phorusrhacid family - known as "terror birds" - may be the largest of its kind ...
Researchers confirm the terror bird fossil 20 years after its South American discovery, comparing the creature to a massive, ...