Giant "Terror Birds" Used Their Heads Like Hatchets

Thursday, August 19, 2010 - 14:28 in Paleontology & Archaeology

Standing up to ten feet tall, the prehistoric birds used their ax-like heads to chop their way to the top of the food chain, study says. Bird - Phorusrhacidae - Recreation - Ohio University - Muhammad Ali

Read the whole article on National Geographic

More from National Geographic

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net