3:4 animal_genitalia animal_penis balls breasts duo egg equine_genitalia equine_penis genitals gynomorph gynomorph/male hi_res horn hybrid infestation infesticles inside_balls intersex intersex/male male mirvanna oddbird oviposition parasite penetration penetration_interlock penis reptile scalie serpent_nile snake testicle_pregnancy urethral urethral_oviposition urethral_penetration wings yellow_eyes