In Colombia, a fossil-collecting rancher has found a giant, flightless killer from 13 million years ago — and a missing link to the region’s evolutionary history. César Perdomo, a rancher and fossil ...

Twelve million years ago, a huge flightless predator known as a “terror bird” sprinted across tropical floodplains in what is ...

Nearly 20 years ago, while repairing a fence on his ranch in Colombia, fossil collector César Perdomo found the middle leg bone of a bird. The 12-million-year-old fossil, known as a tibiotarsus, ...

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 predator may have killed it, scientists ...

Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct giant meat-eating bird—which they say could be the largest known member of its ...

Standing around 10 feet tall, weighing around 220 pounds and with an axe-like beak capable of delivering devastating strikes, the terror bird would have proved a ...

The identification of part of the fossilized remains of a so-called "terror bird" species in South America has given researchers new insight into the apex predators ...

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About 13 million years ago in a vast South American wetland, colossal predators clashed. The fossilised bone from an enormous flightless bird found in Colombia shows tooth marks made by a giant caiman ...

The fossil of a giant carnivorous bird has been found in Patagonia, marking the largest-known avian skull to have been found. The fearsome fossil of a 10-foot-tall ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Millions of years ago, apex predators in the Phorusrhacidae family ...

The heavy-beaked predators called terror birds sat at the top of the food chain for much of the past 65 million years. Now scientists have identified a fossil from ...