FURVERT!

2018 anatomically_correct anatomically_correct_anus anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anus backsack balls black_anus black_balls black_mane black_markings black_penis black_tail dated dock_(anatomy)equid equine equine_anus equine_genitalia equine_penis erection feral flared_penis fur genitals glistening glistening_eyes green_eyes hooves horizontal_pupils horse male male_feral mammal mane markings medial_ring mottled mottled_genitalia mottled_penis mouth_closed penis pink_penis puffy_anus pupils quadruped raised_tail rear_view rufciu sheath side_view signature simple_background solo tail tail_anus tan_body tan_fur tennessee_walker tennesseestud unguligrade vein veiny_penis white_markings