animal Bengal-tiger-variant big-cat breeding carnivore color colored colorful colors colour coloured colourful colours conservation contrast critically-endangered distinct distinctive felid hunter mammal movement moving pacing panthera-tigris protected protective prowling reclining rehabilitation relaxed relaxing resting Singapore-zoo striped sub-species swimmer tiger white white-tigers wildlife zoo adult bright cat eyes feline gray grey kitty male pet tom yellow fierce predator roar wild brown frog green hands kiss kissing Look looking prince red toad warts