Juvenile Apatosaurus ajax dinosaurs running by the powerful legs of an adult Apatosaurus.

ACRYLIC PAINTING • ACTION • ADOLESCENT • ANIMAL FOOT • ANIMAL LEGS • ANIMAL LIMBS • ANIMAL THEMES • ANIMAL • APATOSAURUS AJAX • APATOSAURUS LOUISAE • APATOSAURUS • ARTWORK • BOY • BRONTOSAURUS • CHILD • COLOR IMAGE • COLOUR IMAGE • CREATURE • CRETACEOUS • DANGER • DAY • DINOSAUR • DINOSAURS • DIPLODOCID • EVOLUTION • EXTINCT • FEMALE • FLEE • FOUR ANIMALS • FRIGHT • FRIGHTENED • HERBIVORE • HERD • HORIZONTAL • ILLUSTRATION TECHNIQUE • ILLUSTRATION • ILLUSTRATIONS • JURASSIC • LATERAL VIEW • MENACE • MESOZOIC ERA • MOTION • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NO PEOPLE • OMINOUS • ON THE MOVE • OUTDOOR • OUTDOORS • OUTSIDE • PAINTING • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOART • PALEOBIOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST, THE • PERIL • POWERFUL • PREHISTORIC ERA • PRIMEVAL • PRIMORDIAL • QUADRUPED • REPTIL • REPTILE • REPTILES • ROAMING • RUN AWAY • RUNNING • SAUROPOD • SAUROPODOMORPH • SCARED • SCIENCE • SCIENCE: EVOLUTION • SIDE VIEW • SMALL • SPECIES • STOMPING FEET • TEENAGER • THREAT • TINY • VERTEBRATE • VULNERABILITY • WILDLIFE • WITHOUT PEOPLE • WOMEN • YOUNG ANIMALS • YOUNG • YOUTH • ZOOLOGY