abs animal_genitalia animal_penis anthro backpack balls big_penis blue_sky bodily_fluids brown_eyes building cloud day duo equine_genitalia equine_penis flaccid front_view genitals grass humanoid_genitalia humanoid_penis long_penis looking_at_viewer male male/male mountains muscular muscular_thighs nipples nude outdoor_nudity pecs penis plant pubes sky standing sweat tree valley vein veiny_penis cowfurmania asinus bovid bovine donkey equid equine mammal true_buffalo water_buffalo hi_res