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35+ Interesting Facts About Dinosaurs

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Dinosaurs are extinct reptiles of the Mesozoic (mainly Jurassic period) era (which emerged around 250 million years ago) that vanished from the  earth around 66 million years ago due to unknown reasons. More than 500 species of dinosaurs have been discovered so far. According to  estimates, the total number of extinct species of dinosaurs could be 1,300 or more. ( Source ) The extinction event of dinosaurs is known as the Cretaceous-Paleogene extinction event. It also wiped out 75% of all the animals and plants  on earth at that time. According to a theory, this extinction event was likely because of an asteroid hitting the earth. Other possible reasons include volcanic eruptions, climate change, etc. There were both meat-eating dinosaurs and plant-eating (and probably omnivore) dinosaurs. According to estimates, around 65% of dinosaurs were herbivores, while the remaining species were carnivores.   Many plant-eating dinosaurs were gigantic and had to eat a  large amount of