The bone, described two decades after its discovery, suggests the species might have grown up to 20 percent bigger than other ...

Fossil of an extinct Phorusrhacid "terror bird" in the Tatacoa Desert reveals insights into ancient predators and ecosystems.

Fossil skeleton of Paraphysornis, a member of the extinct terror bird family. While this specimen is not the one analyzed in ...

The fossil of a massive predator called a terror bird that roamed South America 12 million years ago is from the largest ...

The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...

A 12-million-year-old fossil has revealed what may be the largest known "terror bird" ever found, according to ...

A Colombian rancher has discovered a fossilized bone that points to the existence of a giant terror bird species. The fossil, ...

A team of researchers led by SNSB paleontologist Gertrud Rößner has discovered a new prehistoric dolphin species. Analyses of ...

Dolphins, including Romaleodelphis pollerspoecki, can communicate in frequency ranges that are outside the hearing ability of ...

The discovery of a Phorusrhacid fossil in Colombia — the northernmost find of its kind — indicates that these giant predatory ...