Exceptionally preserved fossil gives voice to ancient terror bird

A new species of South American fossil terror bird called Llallawavis scagliai ("Scaglia's Magnificent Bird") is shedding light on the diversity of the group and how these giant extinct predators interacted with their environment. ...

Dinosaurs with killer claws yield new theory about flight

(PhysOrg.com) -- New research from Montana State University's Museum of the Rockies has revealed how dinosaurs like Velociraptor and Deinonychus used their famous killer claws, leading to a new hypothesis on the evolution ...

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