FURVERT!

2016 anatomically_correct anatomically_correct_anus animal_genitalia animal_penis anus balls big_penis blue_eyes brown_body brown_fur butt equid equine equine_anus equine_genitalia equine_penis erection facial_markings feral forehead_markings fur furryratchet genitals hay head_markings hi_res hooves horse male male_feral mammal markings nude open_mouth penis penis_tuck quadruped rainstorm_(marefurryfan)raised_tail solo stable tail tail_anus white_markings