abs animal_genitalia animal_penis anthro back_muscles balls biceps black_balls black_nose duo equine_genitalia equine_penis erection fellatio fence floppy_ears genitals green_eyes male male/male muscular muscular_male navel nipples oral park pecs penile penis plant sex tree kade_(director) canid canine canis dalmatian domestic_dog equid equine horse mammal tail absurd_res hi_res