Dinosaurs: whacky and interesting facts about ancient reptiles



Dinosaurs survived for more than 700,000 years after the earth was hit by a massive meteorite originally believed to have caused their extinction, according to new research. Here are some interesting facts about dinosaur

The heaviest dinosaur
The heaviest dinosaur was Brachiosaurus at 80 tonnes. It was the equivalent to 17 African Elephants. Brachiosaurus was 16m tall and 26m long and is the largest dinosaur skeleton to be mounted in a museum.
The Smallest Dinosaur
The smallest fully-grown fossil dinosaur is the little bird-hipped plant-eater like lesothosaurus, which was only the size of a chicken. Smaller fossilised examples have been found but these are of baby dinosaurs.
The Smallest Dinosaur Egg
The smallest dinosaur egg so far found is only 3cm long. It is not known what species it was from.
The Most Brainy Dinosaur
One of the most intelligent dinosaurs was Troodon. It was a hunting dinosaur, about 2 metres long, and had a brain size similar to that of a mammal or bird of today, stereoscopic vision, and grasping hands.
The Dumbest Dinosaur
Stegosaurus had a brain the size of a walnut - only 3 centimetres long and weighing 75 grams. However comparing brain size to body size sauropodomorphs, like Plateosaurus, were probably one of the dumbest dinosaurs.
The Tallest Dinosaur
The tallest dinosaurs were the Brachiosaurid group of sauropods. Their front legs were longer than the rear legs giving them a giraffe-like stance. This combined with their extremely long necks, which were held vertically, meant they could browse off the tallest trees. Brachiosaurus - the most well known of the group - was 13 metres tall. Sauroposeidon was massive and probably grew to 18.5 metres tall making it the tallest dinosaur.
The Fastest Running Dinosaur
The speediest dinosaurs were the ostrich mimic ornithomimids, such as Dromiceiomimus, which could probably run at speeds of up to 60 kilometres per hour.
The Oldest Dinosaur
The oldest dinosaurs known are 230 million years old, and have been found in Madagascar. As yet they have not been formally named. Before this Eoraptor, meaning "dawn thief" had held the title at 228 million years.
The Longest Dinosaur Name
The dinosaur with the longest name was Micropachycephalosaurus meaning "tiny thick-headed lizard". Its fossils have been found in China, and it was named in 1978 by the Chinese palaeontologist Dong.
How many species of dinosaurs have been found in Britain?
So far 108 species of dinosaurs have been discovered in Britain. Britain was an important area during much of the Mesozoic Era acting as a 'land bridge' between North America and Eurasia. It became a hotspot for dinosaur evolution and migration. British dinosaurs include Megalosaurus, Iguanodon, Neovenator, Eotyrannus, and Cetiosaurus

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