A fearsome flesh-eating bird from the Phorusrhacid family - known as "terror birds" - may be the largest of its kind ever ...
Analyzing a leg bone from a fossil site in Colombia, scientists have identified a massive “terror bird” that lived about 12 ...
The bone, described two decades after its discovery, suggests the species might have grown up to 20 percent bigger than other ...
The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...
Evolutionary biologist Federico Degrange from Argentina's Center for Research in Earth Sciences and colleagues found the bird ...
The identification of part of the fossilized remains of a so-called "terror bird" species in South America has given researchers new insight into the apex predators ...
A 12-million-year-old fossil of a prehistoric "terror bird" discovered in South America might represent the largest known member of its kind found to date, a study ...
Nearly 12 million years ago, the largest "terror bird" ever discovered was attacked and killed by a massive caiman, a 3D analysis of its fossilized leg suggests ...
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 ...