Tyrannosaurus Rex attacking a herd of Parasaurolophus duckbill dinosaurs.

ACTION • AGGRESSION • AGILITY • ANIMAL HEAD • ANIMAL TEETH • ANIMAL THEMES • ANIMAL • ANIMALS HUNTING • ANIMALS IN THE WILD • APEX PREDATOR • ARTWORK • ATTACK • BATTLE • BEAST • BIPED • CARNIVORE • CHALLENGE • CHASING • COLOR IMAGE • COLOUR IMAGE • CONCEPT • CONFLICT • CONFRONTATION • CREATION • CREATURE • CRETACEOUS • DANGER • DAY • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • DUCKBILL DINOSAURS • ENEMY • ESCAPE • EVOLUTION • EXISTENCE • EXTINCT • FEAR • FIERCE • FIGHTING • FLEE • HADROSAURID • HERBIVORE • HORIZONTAL • ILLUSTRATION • ILLUSTRATIONS • ILUSTRATION • IMAGINATION • LARGE • LATERAL VIEW • MAMMAL • MEGAFAUNA • MENACE • MESOZOIC ERA • MONSTER • MOTION • MOUTH OPEN • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NO PEOPLE • ON THE MOVE • OPEN MOUTH • OPEN-MOUTHED • ORIGIN • ORNITHISCHIA • ORNITHOPOD • OUTDOOR • OUTDOORS • OUTSIDE • PALAEONTOLOGY • PALAEOZOOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PARASAUROLOPHUS • PAST • PERIL • PREDATOR • PREHISTORIC ERA • PREY • PRIMEVAL • PRIMITIVE • REPTIL • REPTILE • REPTILES • RIVAL • RUN AWAY • RUNNING • SCIENCE • SCIENCE: EVOLUTION • SIDE VIEW • SPECIES • SURVIVAL • T REX • T-REX • TAG (GAME) • TERROR • THEROPOD • THREAT • THREE ANIMALS • TOUGHNESS • TYRANNOSAURUS REX • TYRANNOSAURUS • VERTEBRATE • VIOLENCE • VIOLENCIA • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY