FURVERT!

2_heads 4_toes 5_fingers 8_breasts alpha_channel anthro anthro_to_feral asinus barefoot barely_visible_pawpads big_breasts black_body black_fur black_nose black_pawpads blush breasts brown_body brown_eyes brown_fur butt butt_transformation canid canine canis claws countershade_butt countershade_face countershade_neck countershade_tail countershade_torso countershading crotch_head digital_media_(artwork)digitigrade domestic_dog donkey equid equine eyebrows feet female feral feral_transformation finger_claws fingers flittermilk fur hair hi_res hoof_growth inner_ear_fluff looking_back mammal multi_breast multi_head multicolored_hair nipples nude one_eye_closed open_mouth pawpads paws pink_hair pink_nipples pink_tongue purple_claws purple_hair raised_inner_eyebrows simple_background species_transformation tail tail_tuft teats teeth toe_claws toes tongue transformation transparent_background tuft two_tone_hair upside_down_transformation what what_has_science_done