7. Meat Eaters And Hollow Bones
Most of the carnivorous dinosaurs had something in common with the avian variety, and that is their hollow bones. Although the can be massive in size and shape, they are actually relatively light due to their hollowness. It’s thought to have helped with quickness during hunting, as well as aiding their giant bodies in all types of mobility. Most of them would have walked upright on two feet, as well.