This walking stick (or stick insect) may stand out quite a bit against a plain white background, but in the forest, this species perfectly resembles the twigs it lives amongst, providing it with one of the most impressive forms of camouflage seen in the animal kingdom. Stick insects like this one at Parconaturaviva zoo safari can range quite a bit in size, with some species measuring in at only a half-inch-long, while others can grow to be an impressive 13-inches! Found predominantly in the trop