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 ...

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 ...

Phorusrhacid birds, better known as "terror birds," were some of the most impressive predators to ever walk the Earth.

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 ...