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What are some of the most interesting facts about dinosaurs?
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1. Scientists believe that the first dinosaurs appeared on Earth about 231 million years ago.
2. The largest dinosaur known to date was Argentinosaurus, which was estimated to measure more than 130 feet long and weigh up to 100 tons.
3. Some dinosaurs, such as Anchiornis, had feathers while some, like Nyasasaurus, were among the earliest mammals.
4. Some dinosaurs had large crests on their heads, thought to be used for communication or display.
5. The smallest dinosaur ever, Compsognathus, was only the size of a turkey.
6. The most dangerous dinosaur of all was the Tyrannosaurus rex, which had one of the strongest bites of any creature that has ever lived.
7. Dinosaurs went extinct around 66 million years ago, most likely due to an asteroid impact causing a global environmental disaster.