Thylacoleo carnifex, a marsupial and apex predator.

AGGRESSION • ANGRY • ANIMAL MOUTH • ANIMAL THEMES • ANIMAL • APEX PREDATOR • ARBOL • BIG CATS • BRANCH • CARNIVORE • CENOZOIC ERA • COLOR IMAGE • COLOUR IMAGE • CREATURE • DANGER • DIGITALLY GENERATED IMAGE • DIPROTODONT • EXTINCT • FELINE • FIERCE • GRASS • GROWL • HISSING • HORIZONTAL • ILLUSTRATION • LATERAL VIEW • MAMMAL • MARSUPIAL • MENACE • MOUTH OPEN • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NEOZOIC ERA • NO PEOPLE • ONE ANIMAL • OPEN MOUTH • OPEN-MOUTHED • PALAEONTOLOGY • PALAEOZOOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAW • PERIL • PLEISTOCENE PERIOD • PLÉISTOCÈNE • PREHISTORIC ERA • PRIMITIVE • QUATERNARY • ROARING • SIDE VIEW • SITTING • SNARLING • SPECIES • THREAT • THYLACOLEO CARNIFEX • THYLACOLEO • TOUGHNESS • TREE • TREES • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY