provides detailed facts about all the different dinosaur species ---- their feeding habits, mating, habitat... and much more. Did you know that dinosaurs were the dominant animals on the earth for 170 million years, and yet human knowledge of them has only been built up in the last 150 years? Tyrannosaurus had the largest head of any dinosaur ---- its mouth had a gape of over 3 feet (1 meter.) Stegosaurus's average weight was 7 tons with a maximum height of about 43 feet (13 meters.)

Hide more