A T-Rex plans his attack on a herd of Parasaurolophus dinosaurs.

AGGRESSION • ANIMAL THEMES • ANIMAL • ANIMALS HUNTING • APEX PREDATOR • ARTWORK • ATTACK • BEAST • BIPED • CARNIVORE • CHALLENGE • COLOR IMAGE • COLOUR IMAGE • CONCEPT • CONFLICT • CREATION • CREATURE • DANGER • DAY • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • DUCKBILL DINOSAURS • ENEMY • EVOLUTION • EXISTENCE • EXTINCT • FIERCE • GEOLOGIA • GEOLOGY • GRAZING • GROWL • HADROSAURID • HERBIVORE • HERD • HISSING • HORIZONTAL • HOWLING • ILLUSTRATION • ILLUSTRATIONS • IMAGINATION • LARGE • MAMMAL • MEDIUM GROUP OF ANIMALS • MEGAFAUNA • MENACE • MESOZOIC ERA • MONSTER • MOUTH OPEN • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NO PEOPLE • OPEN MOUTH • OPEN-MOUTHED • ORIGIN • ORNITHISCHIA • ORNITHOPOD • OUTDOOR • OUTDOORS • OUTSIDE • PALAEONTOLOGY • PALAEOZOOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PARASAUROLOPHUS • PAST • PERIL • PREDATOR • PREHISTORIC ERA • PREY • PRIMEVAL • PRIMITIVE • PROWLING • REPTIL • REPTILE • REPTILES • RIVAL • ROAMING • ROARING • SAUROPOD • SCAVENGER • SCIENCE • SCIENCE: EVOLUTION • SNARLING • SPECIES • STALKING • SURVIVAL • TERROR • THEROPOD • THREAT • THREE DIMENSIONAL • TOUGHNESS • TYRANNOSAURUS • VERTEBRATE • VIOLENCE • VIOLENCIA • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY