Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went ...

The ancient "terror bird" Andalgalornis couldn't fly, but it used its unusually large, rigid skull--coupled with a hawk-like hooked beak--in a fighting strategy ...

About 3.5 million years ago, carnivorous birds with hooked beaks standing 10 feet (3 meters) tall roamed parts of South America in search of prey. Now, researchers ...

Terror birds are a group of extinct apex predators with huge skulls, long legs, and massive, hooked beaks. These carnivorous flightless birds stalked South America ...

Skeleton of the terror bird Titanis walleri at the Florida Museum of Natural History. (Amanda via Wikimedia Commons / Creative Commons Attribution 2.0 Generic) (CN ...

The first near-complete skull of a giant “terror bird”, of the phorusrhacid family, has been discovered in Argentina, allowing scientists new insight into the ...

About 3.5 million years ago, 10-foot-tall carnivorous birds with hooked beaks roamed parts of South America in search of prey. Now, researchers have found a nearly ...

With a swift hatchet of its beak, the terror bird Llallawavis scagliai could have whomped its prey, a new fossil find confirms. Included in the skeleton is a tiny ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

A curious teenager in Argentina has discovered the fossil skull of the biggest bird ever found -- a swift, flightless predator 10 feet tall that pursued its prey across the steppes of Patagonia 15 ...