A rare fossil of a dining dinosaur is shedding new light on ancient ecosystems and behaviours.
“It’s one of the few things that really give you an idea of ecology and behaviour in the fossil record,” said University of Alberta paleontologist Corwin Sullivan, who describes what he and his colleagues found in the belly of a 120-million-year-old Microraptor Zhaoianus in a newly published paper.We deliver the local news you need in these turbulent times on weekdays at 3 p.m.By clicking on the sign up button you consent to receive the above newsletter from Postmedia Network Inc.
“Just think of what has to happen. The fossil carnivore has to be fairly intact — the rib cage at least fairly preserved. The fossil has to be of an individual that had a meal shortly before death.Article contentAs it happens, there are a couple of other Zhaoianus fossils from the same fossil bed as this one. Sullivan said that’s likely because they were all found in the bed of what used to be an ancient lake, an ideal environment for fossilization.
The foot in its belly doesn’t look as if it came from a climber, so maybe the raptor dropped down from the sky in its hunt. Or maybe the dinosaur was simply gobbling down carrion it didn’t have to kill at all.
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