Home, Sweet, Pheromone. Animals often use chemical communication to mark territory. They leave pheromones, or chemical marks behind. Some animals leave scent posts to mark their territory. A scent post is something that is marked by an animal with its scent. Scent posts set the boundaries of an animal's territory.The mountain lion is a solitary animal and it likes to travel alone. A male's territory can be more that 100 square miles.The male mountain lion often kicks up piles of pine needles, dirt or leaves with its hind feet and urinates on the pile to mark its territory.he mountain lion is a solitary animal and it likes to travel alone. A male's territory can be more that 100 square miles. The male mountain lion often kicks up piles of pine needles, dirt or leaves with its hind feet and urinates on the pile to mark its territory.