Helmet-headed dinosaurs kickedboxed like kangaroos, new study suggests

It’s a dinosaur legend that pachycephalosaurs—bipedal, Cretaceous beasts with massive, thick domed skulls—today make big-butting heads like bighorn sheep. But new analysis shows that this is far from the case; rather, pachycephalosaurs (pack-ee-SEH’-fa-low-sawrs) may have moved more like kangaroos, using their tails as a tripod that could prop them up while delivering powerful kicks to opponents.

Paleontologists found evidence of this kickboxing behavior by analyzing a well-preserved skeleton of Pachycephalosaurusmaking a virtual 3D model of it and noting that parts of dinosaurIts anatomy resembled that of a kangaroo and it moved in a strikingly similar manner.

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