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Ancient ‘terror birds’ were giant apex predators. Suspected new species is among the largest ever known
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Millions of years ...
How “Wiggly Skulls” Helped Birds Evolve From Their Dinosaur Ancestors
D modeling reveals that as bird brains grew larger, it led to changes in jaw muscles and joint mechanics—enabling the ...
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The "Terror of Antarctica", a predator at the top of the food chain
The terror bird, that's its nickname. 50 million years ago, the phorusrhacid, a 2-meter-high carnivore, was at the top of the food chain. The bird was unable to fly ...