A dinosaur unearthed in Mongolia is making a splash among paleontologists, as its sleek physique adds potential evidence to the idea that some dinos were suited for life in the water.
Natovenator polydontus may be the first known nonbird dinosaur to have possessed a streamlined body comparable to that of modern diving birds, researchers report December 1 in Communications Biology. Natovenator and other closely related dinosaurs may have been swimming predators, the researchers say, challenging the popular notion that all dinos were landlubbers.
Natovenator was small like a duck and probably used its forelimbs when swimming, says Yuong-Nam Lee, a vertebrate paleontologist at Seoul National University in South
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