Two Gigantoraptor dinosaurs fighting on green grass by sunset.

ACTION • ANIMAL NECK • ANIMAL THEMES • ANIMAL • ARTWORK • ATTACK • BATTLE • BIRD • BROWN • CHALLENGE • COELUROSAURIA • COLOR IMAGE • COLOUR IMAGE • CONFLICT • CONFRONTATION • CREATURE • CREST • CRETACEOUS • DANGER • DAY • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • ENEMY • EXISTENCE • EXTINCT • FACE TO FACE • FACE-TO-FACE • FACING • FEAR • FEATHER • FIELD • FIERCE • FIGHTING • FLIGHTLESS BIRDS • GIGANTORAPTOR • GRASS • GRASSLANDS • GROWL • HERBIVORE • HORIZONTAL • ILLUSTRATION • ILLUSTRATIONS • JURASSIC • LATERAL VIEW • MANIRAPTORA • MEADOW • MENACE • MESOZOIC ERA • MOUTH OPEN • NATURE • NO PEOPLE • OMNIVORE • OPEN MOUTH • OPEN-MOUTHED • OUTDOOR • OUTDOORS • OUTSIDE • OVIRAPTOROSAUR • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOBIOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST • PERIL • PREHISTORIC ERA • PRIMEVAL • PRIMITIVE • REPTIL • REPTILE • REPTILES • RIVAL • ROARING • SAURISCHIA • SAUROPSID • SIDE VIEW • SPECIES • STANDING • TALON • THEROPOD • THREAT • THREE DIMENSIONAL • TOUGHNESS • TWO ANIMALS • VERTEBRATE • VIOLENCE • VIOLENCIA • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY