Annotations for Duckbills and Boneheads


Baker & Taylor
Explains how duckbills and boneheads used their physical characteristics to find food and challenge rivals, and describes their diet, behavior, and mothering instincts.

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Baker & Taylor
Explores the world of the ornithopod and marginocephalian groups of dinosaurs, the latter of which includes ceratopsians and pachycephalosaurs.

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