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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 ...
University News & Events

Dense rainforest canopy an acoustic ‘information highway’ for predator warnings

UC Santa Cruz’s Forest Fear Lab reveals how the dense upper story of the Amazon carries the cries of frightened birds to ...

Possums and gliders are pushing a native Australian bird to extinction. What can we do?

From brightly colored birds to the much-loved sugar glider, Australia's native animals are a sight to behold. The island ...
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Ancient ‘terror birds’ were giant apex predators. Suspected new species is among the largest ever known

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