Terror birds were at the top of the food chain, but one may have been killed in a vicious battle with a caiman, scientists ...

This is a fascinating story of the interaction of two very iconic animals in the past,” the study’s lead author told NBC News ...

A fossil discovery in Colombia is reshaping how scientists view the prehistoric pecking order. Researchers examining a ...

A handful of bite marks on a fossil tens of millions of years old speaks to an ancient tussle between two terrifying apex ...

Researchers have found evidence of a titanic tussle between a terror bird and a large caiman in Colombia's ancient La Venta ...

Teeth marks made on the leg bone of a large avian reptile known as a terror bird 13 million years ago suggest an even bigger ...

One day in the Middle Miocene, some 11 million to 16 million years ago, a roughly 4.8-metre-long caiman ate a terror bird 1.