animal_genitalia animal_penis anus balls big_penis bodily_fluids brown_body butt equine_penis erection feral flared_penis forest genitals looking_at_viewer looking_back male penis plant presenting presenting_anus puffy_anus raised_tail smile solo solo_focus spread_legs spreading sweat sweating_profusely sweaty_balls sweaty_body sweaty_butt sweaty_genitalia tree wet wet_body dino2k equid equine horse mammal