Walking with Dinosaurs

In Walking With Dinosaurs, the film is segmented into stories based on a certain type of dinosaur or a specific period in dinosaur evolution.

The first segment of the film focuses on the first dinosaurs, in the Triassic period, 220 million years ago. The Coelophysis is featured here. They show the Coelophysis hunting Placerias, an ancient reptile not related to dinosaurs. They show how the speed and agility of the Coelophysis helped it survive and dominate. Another reptile featured in this segment is the Cynodont. These creatures are referred to in the film as the missing link between mammals and reptiles. They had backbones that moved from side to side as they walked, but they were also covered with fur. The largest carnivore of the period is the Postosuchus. This reptile is a distant relative of the dinosaurs. They only creature that they had to protect themselves from was another Postosuchus. The flying reptile of this period that the documentary shows is the Peteinosaurus. This dinosaur had fingers to protect his wings, which were made of a very fine membrane.

The next period they explore is the Jurassic, about 152 million years ago. They describe this as the age of the giants. The first dinosaur

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They show the fall of the comet that was believed to kill the dinosaurs. This helped it to be much easier to watch. The Utahraptor has huge claws on its legs, as well as long fingers. The final moments of this segment are dedicated to the Brachiosaurus, a Sauropod much larger than the Diplodocus. They travel in groups and are territorial of their land. The Ophthalmosaurus are shown gathering for the birthing of their young. They migrate by following the sun from the north in order to lay their eggs. Horseshoe crabs are also shown in this segment. These dinosaurs are connected to the line that led to birds. The Leaellynasaurus are small, resilient dinosaurs. These are the oldest of the marine mammals. This animal used flippers to guide through the water, though it was clumsy on land. These mammals raid the nests of dinosaurs and feed on the eggs.

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