The 12-million-year-old fossil, known as a tibiotarsus, belonged to a now-extinct creature in the Phorusrhacidae family, which was made up of mostly flightless, giant, ...

At least 20 species comprised the Phorusrhacidae family, some of which are estimated to have weighed as much as 770 lbs. Despite their height and weight, ...

The Phorusrhacidae appeared about 62 million years ago, shortly after the extinction of non-avian dinosaurs, and throughout their long evolutionary history, they developed an impressive diversity of ...

To be sure, LLawavis scagliai was not large by terror bird standards, but it was still a formidable member of the Phorusrhacidae, a family that could give ...

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