A Yangchuanosaurus dinosaur confronting an Omeisaurus.

ACTION • AGGRESSION • ALLOSAURID • ANIMAL BEHAVIOR • ANIMAL NECK • ANIMAL THEMES • ANIMAL • ANIMALS HUNTING • ANIMALS IN THE WILD • APEX PREDATOR • ARTWORK • ATTACK • BATTLE • BEAST • BIPED • CARNIVORE • CARNOSAURIA • CHALLENGE • CHASING • CHINA • CLOUD • CLOUDS • COLOR IMAGE • COLOUR IMAGE • CONCEPT • CONFLICT • CONFRONTATION • CREATURE • CRETACEOUS • DANGER • DAY • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • ENEMY • ENVIRONMENT • ESCAPE • EVOLUTION • EXISTENCE • EXTINCT • FEAR • FIERCE • FIGHTING • GIGANTIC • GRASS • HERBIVORE • HORIZONTAL • ILLUSTRATION • ILLUSTRATIONS • JURASSIC • LARGE • LATERAL VIEW • LONG • LUNA • MENACE • MESOZOIC ERA • METRIACANTHOSAURID • MOON • MOTION • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NATURE • NO PEOPLE • OMEISAURUS • ON THE MOVE • ORNITHOPOD • OUTDOOR • OUTDOORS • OUTSIDE • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOBIOLOGY • PALEOGEOGRAPHY • PALEONTOLOGY • PALEOZOOLOGY • PAST • PERIL • PLANT • POWERFUL • PREDATOR • PREHISTORIC ERA • PREY • PRIMEVAL • PRIMITIVE • PRIMORDIAL • PROWLING • REPTIL • REPTILE • REPTILES • RIVAL • ROAMING • RUNNING • SAURISCHIA • SAUROPOD • SAUROPSID • SCIENCE • SCIENCE: EVOLUTION • SIDE VIEW • SPECIES • STALKING • SURVIVAL • TAG (GAME) • TERROR • THEROPOD • THREAT • THREE DIMENSIONAL • TOUGHNESS • TWO ANIMALS • UGLINESS • VERTEBRATE • VIOLENCE • VIOLENCIA • VULNERABILITY • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • YANGCHUANOSAURUS • ZOOLOGY