animal 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 tiger white white-bearded wildlife zoo animals bangalore Bannerghatta National Park Bengaluru Big Cat eco exotic feline fierce forest Incredible India India jungle karnataka nature Panthera tigris bengalensis Panthera tigris tigris predator rare Royal Bengal Tiger White Tiger wild wild animal crouching drink drinking eye eyes groningen vector watching water Bengal-tiger-variant distinct distinctive movement moving pacing panthera-tigris protected protective prowling Singapore-zoo white-tigers