Rule 34 Dev - avian bird blakenfen brown_eyes clothing eagle erection jockstrap kingfisher macro male micro muscular muscular_male musk peeing peeing_on_another peeing_self penis philippine_eagle pirate_eagle pubes size_difference stain sweat talons tapering_penis underwear urinating urinating_male urination urine urine_in_mouth vein watersports wetting yaoi|3340875008