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Hesperornis

Hesperornis

Hesperonis was a large prehistoric diving bird from the Late Cretaceous.

Despite its size, which was around 2 metres, it had many predators, like the giant fish Xiphactinus, the shark Squalicorax, the Halisaurus or even Tylosaurus, the top predator of that time

They hunted fish on the seas and they used the beaches as refuges from the predators.

In Sea Monsters: A Walking with Dinosaurs Trilogy[]

Hesperonis also appeared in the third episode of Sea Monsters, "To Hell... and Back?". It was one of the many inhabitants of the "Most Dangerous Sea Ever", or, "Hell's Aquarium", in the Late Cretaceous Period, 75 million years ago. One individual had been eaten by the Xiphactinus during the underwater bloodbath scene. Nigel Marvin also witnesses many Hesperonis gathered on a beach during one part of the program.

In Primeval[]

Hesperornis appeared in Primeval, it came through an anomaly that flooded a cellar and killed a plumber before presumably returning to the Cretaceous. When Nick passed into the Cretaceous through the anomaly, he spotted several Hesperornis in the Cretaceous sea and he saw more on the shore and the ugly birds stare at him. When he found his wife Helen, she throws a rock at the Hesperornis and she explained that they're dangerous, but dumb.

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