Dinosaurs were a group of reptiles that dominated land for more than 140 million years (more than 160 million years in some parts of the world). They evolved in different shapes and sizes, from the terrifying giant Spinosaurus to the chicken-sized Microraptor, and were able to survive in a va...
Pachycephalosaurus is a kind of dinosaur with a hard and thick skull as "horns". Like goats, they also like to use their "horns" to fight. Pachycephalosaurus represents the Pachycephalosaurus dinosaur. It is 4.6 meters long and weighs 430 kilograms. It has short forelimbs and long hind legs,...