As the herd slowly swallowed him up mike's big nostril's twitched. The delightful scent of the mare's in season made him giddy and light headed. Mike began to circle through the coward of animals his twitching nostril's leading him right to the mares. As he walked he became aware of something flopping between his powerful hind leg's. Turning his head he glanced down to discover his huge equine cock hanging freely from his furry sheath. "When did that happen?" He wondered snorting and shaking his head to try and clear it. But the thick scent hanging in the air was making it hard for him to think of anything but..." Mike jumped shocked to find himself thinking of horse pussy...big dark tear drop shaped. "Oh my god!" "What am I doing?" Mike thought bucking and leaping away from the mares.