They also estimated the bird’s weight to be 156 kilograms, about that of a giant panda (Ailuropoda melanoleuca), which would ...

Nearly 20 years ago, while repairing a fence on his ranch in Colombia, fossil collector César Perdomo found the middle leg ...

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

Analyzing a leg bone from a fossil site in Colombia, scientists have identified a massive “terror bird” that lived about 12 ...

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 ...

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

A FLESH-EATING bird has been uncovered after nearly 12 million years in a Colombian desert. Scientists revealed this extinct “Terror Bird” was the largest of its kind but explained which ...

The fossil was on display in a museum, but unlabeled and hidden right under paleontologists’ noses for 20 years.

The previous tallest members of the family were almost 3 meters high, and this was probably substantially bigger.

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