A pair of T-rex dinosaurs attacking a lone Triceratops.

ACTION • AGGRESSION • AGGRESSIVE • ANIMAL BEHAVIOR • ANIMAL THEMES • ANIMAL • ANIMALS HUNTING • ANIMALS IN THE WILD • APEX PREDATOR • ARTWORK • ATTACK • BATTLE • BEAST • BIPED • CARNIVORE • CERATOPSIA • CERATOPSID • CHALLENGE • COLOR IMAGE • COLOUR IMAGE • CONCEPT • CONFLICT • CONFRONTATION • CREATION • CREATURE • CRETACEOUS • DANGER • DAY • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • ENEMY • ENVIRONMENT • EVOLUTION • EXISTENCE • EXTINCT • FACE TO FACE • FACE-TO-FACE • FACING • FEAR • FIERCE • FIGHTING • FRIGHT • FRIGHTENED • GROUP OF ANIMALS • GROWL • HERBIVORE • HORIZONTAL • HORNED • HOWLING • ILLUSTRATION • ILLUSTRATIONS • ILUSTRATION • IMAGINATION • JURASSIC • LARGE • MEGAFAUNA • MENACE • MESOZOIC ERA • MOUTH OPEN • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NO PEOPLE • OPEN MOUTH • OPEN-MOUTHED • ORIGIN • ORNITHISCHIA • OUTDOOR • OUTDOORS • OUTSIDE • PALAEONTOLOGY • PALAEOZOOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PANIC • PAST • PERIL • PREDATOR • PREHISTORIC ERA • PREY • PRIMEVAL • QUADRUPED • REARING UP • REPTIL • REPTILE • REPTILES • RIVAL • ROARING • SCARED • SCIENCE • SCIENCE: EVOLUTION • SPECIES • SURROUNDING • SURVIVAL • T REX • T-REX • TERROR • THEROPOD • THREAT • THREE ANIMALS • TOUGHNESS • TRICERATOP • TRICERATOPS • TYRANNOSAURUS REX • TYRANNOSAURUS • VERTEBRATE • VICIOUS • VIOLENCE • VIOLENCIA • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY