Prehistoric battle between a Triceratops and Tyrannosaurus Rex.

ACTION • AGGRESSION • ANGER • ANIMAL BEHAVIOR • ANIMAL THEMES • ANIMAL • ANIMALS HUNTING • ANIMALS IN THE WILD • APEX PREDATOR • ARTWORK • ATTACK • BATTLE • BEAST • BIPED • CARNIVORE • CENTROSAURINAE • CERAPODA • CERATOPSIA • CERATOPSID • CHALLENGE • COLOR IMAGE • CONCEPT • CONFLICT • CONFRONTATION • CREATION • CREATURE • CRETACEOUS • DANGER • DAY • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • DUCKBILL DINOSAURS • ENEMY • ENVIRONMENT • ESCAPE • EVOLUTION • EXISTENCE • EXTINCT • FACE TO FACE • FACE-TO-FACE • FACING • FEAR • FIERCE • FIGHTING • FURY • GEOLOGY • GROWL • HERBIVORE • HISSING • HORIZONTAL • HORNED • HOWLING • ILLUSTRATION • IMAGINATION • LANDSCAPE • LANDSCAPES • LARGE GROUP OF ANIMALS • LARGE • MEGAFAUNA • MENACE • MESOZOIC ERA • MONSTER • MOTION • MOUNTAIN • MOUTH OPEN • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NATURE • NO PEOPLE • ON THE MOVE • OPEN MOUTH • OPEN-MOUTHED • ORIGIN • ORNITHISCHIA • OUTDOOR • OUTDOORS • OUTSIDE • PALAEONTOLOGY • PALAEOZOOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PARASAUROLOPHUS • PAST • PERIL • PREDATOR • PREHISTORIC ERA • PREY • PRIMEVAL • PRIMITIVE • QUADRUPED • REPTIL • REPTILE • REPTILES • RIVAL • ROARING • SCIENCE • SCIENCE: EVOLUTION • SNARLING • SPECIES • SURVIVAL • TERROR • THEROPOD • THREAT • TOUGHNESS • TRICERATOP • TRICERATOPS • TYRANNOSAURUS • VERTEBRATE • VIOLENCE • VIOLENCIA • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY