Papilio Xuthus or Asian Swallowtail Butterfly is Fluttering Flapping Wings on the Ground

papilio xuthus butterfly swallowtail asian swallowtail water drink sandy wet bank river pee urine closeup macro flapping wings yellow urinating chinese yellow swallowtail butterfly pee abdomen animal antenna antennae behavior close up liquid nat geo sucking insect piss urinate wildlife wild life detail water absorption water absorption behavior absorption soak eating sand xuthus chinese mineral absorbing flitter flap black yellow