art black and white design drawing fold folded graphic ink paper small 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 autumn brown fall forest forest flor fungus grass green log toadstool bulb bulbs ceiling darkness ecology electric hang lamp light save spare blue bush bushes day field gray grey landscape snow tree trees bird birdhouse black feathers hobby home sparrow spring