Cetiosaurus darwinii (name meaning "Darwin's whale lizard") is a species of medium-sized sauropod that originally lived in what is now Europe during the middle Jurassic, and was once extinct, but has since been brought back from extinction and now lives in Cretaceous Park located in Sacramento, California. Like all known sauropods, Cetiosaurus darwinii can grow to be around 45.9 feet long and weigh about as much as 2 bull African elephants. It is a herbivore that mainly feeds on fruits and nuts, as well as leaves of a wide range of plants. It is a social animal like many sauropods, living in small herds about 5-9 at a time in most cases, but in areas with enough food and space, Cetiosaurus darwinii herds can reach around 15-25 individuals at a time.
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