The on-going debate about whether some dinosaurs engaged in the head-butting dominance behavior seen in modern animals got another push this week. A paper published by the Public Library of Science ONE journal suggests that one specific species had a cranial structure that would have allowed it to withstand head-butt blows. The German shepherd-sized dinosaur called a Pachycephalosaurs is the subject of interest.
[Read the article on USAToday: Head-butting dinos that turned on a dime?]
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