A duck-billed dinosaur stomped across a prehistoric land bridge between Russia and the US 70 million years ago, scientists believe.
New research indicates a new species of plant-eating Arctichadrosaurs found in Alaska is in fact a type of Edmontosaurus, a creature known to have thrived especially between Alberta and Colorado.
But the beast also had traces across the Cretaceous link between modern day Russia and North America. The recently-discovered Kamuysaurus of Japan appears to be related to the "incredibly successful" Edmontosaurus dinosaurs.
Dr Yoshitsugu Kobayashi, of Hokkaido University Museum in Japan, said: “It’s fascinating to think they likely used the ancestral Bering Land Bridge between Asia and North America for migration –
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