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Scientists have unearthed the fossilized leg bone of a colossal phorusrhacid, commonly known as a “terror bird,” dating back 12 million years in Colombia’s ...

When Maddy Stern discovers her father has gone missing during a routine birdwatching excursion, she and her college pals trek out into the wilderness to find him, only to end up in a wealthy ...

The end of a terror bird’s left tibiotarsus, a lower leg bone in birds equivalent to that of a human tibia or shin bone, dates back to the Miocene epoch around 12 ...