brachiosaurus altithorax,the largest dinosaur had long neck big animal in jurassic edge

altithorax ancient animal background beast big brachiosaurus colossal creature danger declaring dinosaur diplodocus disproportionately eating edge enormous extinct extinction forest fossil giant gigantic had herbivore history it jurassic known large largest lizard long model monster monstrous nature neck outdoor paleontology park period plant poland power predator prehistoric primitive reptile science skull small snout tall tree vegetarian view white wild