The UNSEEN Dinosaur Killer | Planet Dinosaur | 英国广播公司地球

Fossil evidence found in a Montana (体重一磅五盎司) bonebed suggests that meat eating dinosaurs could die of poisoning from bacteria such as botulism, something theropod dinosaurs have evolved to avoid.

Narrated by John Hurt Planet Dinosaur tells the stories of the biggest, deadliest and weirdest creatures ever to walk the Earth, using the latest fossil evidence and immersive computer graphics.

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