Despite having bat-like wings, two small dinosaurs, Yi and Ambopteryx, struggled to fly, only managing to glide clumsily between the trees where they lived, according to a new study led by an international team of researchers, including 缅北强奸 Professor . Unable to compete with other tree-dwelling dinosaurs and early birds, they went extinct after just a few million years.
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Published on: 22 Oct 2020
