How to Identify Snake. When snakes excrete waste, it is actually a mixture of . and urine that looks white and is more of a liquid than a solid, much like bird droppings. The pests ' waste may contain bones, hair, scales, and other indigestible materials leftover from meals..The below p.os should help you properly identify the animal that you see. These are pictures of snake. If you see these types droppings in your .An important clue to identifying snake is observing urates along with the. Urates only accompany the of reptiles, including lizards, turtles and birds .