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|Giant of the Skies (episode)|
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Giant of the Skies is the fourth episode of Walking with Dinosaurs. </span>
The episode takes place 127 million years ago. It stars an elderly male Ornithocheirus, a large Pterosaur, who is on his way back from South America to the island of Cantabria in Europe to mate. He passes a nesting colony of Tapejara. He reaches the north tip of South America and crosses sea to North America. He passes a herd of Iguanodon who were migrating along a beach. He travels from America to Europe across the young Atlantic Ocean. He reaches a European island, off the coast of Britain, which in the book of the series is named Cornubia. He passes another herd of Iguanodon, who are being preyed on by a pack of Utahraptor. Eventually, the Ornithocheirus reaches his breeding site, but fails to get a mate as he cannot land in the best place in the middle of the breeding site, because on the way he had been delayed (by having to shelter from a storm under a cliff overhang) and the site was taken. In the end, he perishes on a beach of hunger, exhaustion, heat stress and old age. However, nature is seldom wasteful as he and others become food for the next generation.