Altispinax dunkeri dinosaurs attack a group of Iguanodon.

AGGRESSION • ALTISPINAX DUNKERI • ALTISPINAX • ANIMAL BEHAVIOR • ANIMAL FAMILY • ANIMAL THEMES • ANIMAL • ANIMALS HUNTING • ANIMALS IN THE WILD • ARTWORK • ATTACK • BATTLE • BEAST • BIPED • BRANCH • CARNIVORE • CHALLENGE • COLOR IMAGE • COLOUR IMAGE • CONFLICT • CONFRONTATION • CREATURE • CRETACEOUS • DANGER • DAY • DINOSAUR • DINOSAURS • ENEMY • ENVIRONMENT • EVOLUTION • EXTINCT • FIERCE • FIGHTING • GROWL • HABITAT • HERD • HISSING • HORIZONTAL • IGUANODON • IGUANODONT • ILLUSTRATION TECHNIQUE • ILLUSTRATION • ILLUSTRATIONS • JURASSIC • MEDIUM GROUP OF ANIMALS • MENACE • MESOZOIC ERA • MOUTH OPEN • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NATURE • NO PEOPLE • OPEN MOUTH • OPEN-MOUTHED • ORNITHISCHIA • ORNITHOPOD • OUTDOOR • OUTDOORS • OUTSIDE • PAINTING • PALAEONTOLOGY • PALAEOZOOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST • PERIL • PREDATOR • PREHISTORIC ERA • PREY • REPTIL • REPTILE • REPTILES • RIVAL • ROARING • SCIENCE: EVOLUTION • SNARLING • SPECIES • SURVIVAL • THEROPOD • THREAT • TOGETHERNESS • TOUGHNESS • VERTEBRATE • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY