Dinosaurs' tooth wear sheds light on their predatory lives Predatory, bird-like theropod dinosaurs from the Upper Cretaceous of Spain and Canada all relied on a puncture-and-pull bite strategy to kill and consume their prey. But close examination of patterns of wear and modeling of their teeth also suggest that these dinosaurs weren't necessarily in direct competition for their next meal. Some of them apparently preyed on larger, struggling prey, while others stuck to softer or smaller fare. https://ift.tt/eA8V8J
Friday, 27 April 2018
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