The Kelenken terror bird of Argentina.

ANIMAL LEGS • ANIMAL THEMES • ANIMAL • APEX PREDATOR • ARTWORK • BEAK • BIRD • BIRD: BIRDS OF PREY • BIRDS OF PREY • BIRDS • CARIAMIFORMES • CARNIVORE • CENOZOIC ERA • COLOR IMAGE • COLOUR IMAGE • COPY SPACE • CREATURE • CUTOUT • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • EVOLUTION • EXTINCT • FEATHER • FLIGHTLESS BIRDS • FULL LENGTH • ILLUSTRATION • ILLUSTRATIONS • KELENKEN GUILLERMOI • KELENKEN • LATERAL VIEW • MIOCENE • MORPHOLOGY • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NEOZOIC ERA • NO PEOPLE • ONE ANIMAL • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOBIOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST • PHORUSRHACIDAE • POLKA DOTS • POLKA-DOTTED • POWERFUL • PREDATOR • PREHISTORIC ERA • PRIMEVAL • PRIMITIVE • PRIMORDIAL • RAPTOR • REPTIL • REPTILE • REPTILES • SCIENCE • SCIENCE: EVOLUTION • SIDE VIEW • SPECIES • SPOTTED • SQUARE IMAGE • TALON • TERROR BIRDS • TERROR • VERTEBRATE • WHITE BACKGROUND • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY