_:b73785120 . _:b73785120 . _:b73785120 . _:b73785120 "Biogeographical status A (Absent) in \u00CEle de Clipperton" . _:b73785120 "Vipera ursinii ursinii has biogeographical status A (Absent) in \u00CEle de Clipperton" . _:b73785120 .