A Colombian rancher has discovered a fossilized bone that points to the existence of a giant terror bird species. The fossil, an enormous leg bone found in the Tatacoa Desert, suggests that this bird stood over three meters tall,

Though known only from a shinbone fragment, a newly-described flesh-eating terror just might be the largest known member of its feathered kind. Phorusrhacid 'terror birds' stalked what's now Colombia's Tatacoa Desert around 12 million years ago,

The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known examples reached nearly 10 feet in height. Now, however, paleontologists have confirmed that a possibly unknown species of terror bird grew up to 20 percent bigger than any previously known,