101 Amazing Facts about Dinosaurs
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Did you know there is a species of dinosaur named after Hogwarts? Which were the largest and smallest dinosaurs? What is the difference between a brontosaurus and an apatosaurus? This excellent book answers all of these questions and more, with over one hundred facts about dinosaurs and other prehistoric creatures.
which bore a striking resemblance to ostriches today. It is thought that they could run at speeds up to 45 miles per hour. 38. The first ever dinosaur nest discovered was found by Roy Chapman Andrews in Mongolia in 1923. This was the first evidence found which supported the theory that dinosaurs laid eggs - a theory later confirmed of course when dinosaur eggs were found. 39. Mamenchisaurus had the longest neck of any dinosaur, the largest of which we have found is an amazing fourteen metres
dinosaurs had long tails was to help with balance whilst running or standing up on their hind legs. 45. Like lizards today, dinosaurs hatched their young from eggs. The largest eggs were the size of basketballs, and the smallest we have found are just 3cm in diameter. 46. Dinosaurs can be divided into two groups. Saurischian means lizard-hips, and these dinosaurs had one hipbone pointing forward, whereas ornithischian dinosaurs had all hipbones pointing backwards like a bird, the word of course
turkey-sized and feather-covered dinosaur which fed on a diet of small lizards. 56. Spinosaurus - now thought to be the largest carnivorous dinosaur, 18 metres in length and weighing in at 23 tons. 57. Parasaurolophus - a dinosaur with a huge, elaborate crest on its head; the purpose of which is still unknown - although scientists suggest it could have been for regulation of body temperature. 58. Gigantoraptor - the largest feathered dinosaur discovered to date - eight metres long and weighing
directly from this species... although this is highly unlikely! 88. Diplodocus - long dinosaur with sturdy legs; easily recognisable and for many years was thought to be the longest dinosaur that existed. 89. Brachiosaurus - with its front legs longer than its hind legs, this sauropod had the stance of a giraffe - also having a similarly long neck and relatively short tail for its order. 90. Velociraptor - although the name was popularised by Jurassic park, the dinosaurs featured in the film
were not in fact the first reptiles to rule the earth! Archosaurs (‘ruling lizards’) and therapsids (mammal-like reptiles) were the original kings of the land until around the beginning of the Jurassic period. 95. Contrary to what you may think, there were a number of mammals around in the time of the dinosaurs. Repenomamus for instance was one of the largest - about a metre long, and enjoyed a diet of small dinosaurs. We know this because one repenomamus fossil has been found with the remains