27 Apr '15, 6pm

Computer Models Show Terror Birds Hunted by Sound #Robotics #AI

Computer Models Show Terror Birds Hunted by Sound #Robotics #AI

Terror birds, one of South America's most feared prehistoric predators, didn't use super sharp eyesight to catch prey, as do eagles, hawks, and other modern day raptors. Using sophisticated computed tomography X-ray scans and 3-D modelling software, researchers were able to show that these flightless giants actually hunted by listening to their quarry’s footsteps. Terror birds, or phorusrhacids , to give them their scientific name, were top predators in South America for fifty million years after the dinosaurs died out, finally going extinct 1.8 million years ago. Terror bird fossils have also been discovered in North America, Africa, and Europe. These feathered killers stood from1 to 3 meters tall. They had huge hooked beaks, and the biggest ones could use them to kill with one gigantic stab. In 2010, paleontologists discovered the almost complete skeleton of a new specie...

Full article: http://spectrum.ieee.org/tech-talk/biomedical/imaging/ter...

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