animal cat Edinburgh feline predator stripe stripes Sumatra Sumatran tiger tigers zoo animals Asia Asian big claws country east fangs ferocious mammals south big-cat black breeding brown Camouflage camouflaged carnivore color colored colorful colors colour coloured colourful colours conservation contrast critically-endangered felid hunter mammal panthera-tigris-sumatrae Perth-zoo reclining rehabilitation relaxed relaxing resting small smallest-tiger solitary striped sub-species Sumatran-tiger swimmer white white-bearded wildlife cats hunt countries Asia. Asian fang South East tropical