americas apex-predator big-cat black-spots Camouflage carnivore carnivorous circles coat distinctive feline fur in-decline jaguar mammal near-threatened opportunistic panthera-onca pelt powerful-jaws relaxed rosettes solitary spots spotted sprawled-out stalk-and-ambush-predator stalker stalking stocky strongest-bite third-largest-feline zoo bear brown bear grass looking meadow predator summer teeth Ursidae Ursus arctos baby beast of prey hairy polar bear swimming water whithe walking mouth sitting three wildlife begging food animal claws dinosaur head lifesize model reptile sharp talons bipedal neck tyrannosaurus lake swim wet