SoNotNic 🐍🐉🐈Wolf Boom Zoom sleeping on his teenager's backpack, with one fang out.
The browning of his gray fur is an indication of a metabolic disorder, in Wolf Boom Zoom's case, both diabetes and IBD. It can also be an indication of a lack of meat in a cat's diet, but this cat eats nothing but rabbit (because of his diabetes and IBD).