ATHENS, Ohio (Aug. 18, 2010)—The ancient "terror bird" Andalgalornis couldn't fly, but it used its unusually large, rigid skull—coupled with a hawk-like hooked ...

LOS ANGELES – A curious teenager in Argentina has discovered the fossilized skull of the biggest bird ever found – a swift, flightless predator 10 feet tall that pursued its prey across the steppes of ...

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 ...

A 90%-complete "terror bird" skeleton found on an Argentinean beach suggests these big-beaked predators had good low-frequency hearing and deep voices. It is the most ...

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LOS ANGELES — A 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 ...

Such conditions typically encourage decay, reducing the chance of fossilization. The scarcity of Phorusrhacid fossils in this region may also suggest these species were apex predators, the researchers ...

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 ...

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 ...

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

Millions of years ago, long-legged, big-beaked, meat-eating “terror birds” stalked the Americas. The imposing creatures ruled the roost as top predators of their ...