query: SELECT 
    DISTINCT ?item 
    (CONCAT(
        '[https://www.xeno-canto.org/species/',
        ENCODE_FOR_URI(?xeno), ' ', ?xeno, ']') AS ?xenocanto)
  
  WHERE { 
    ?item wdt:P31 wd:Q16521 . 
    ?item wdt:P171* wd:Q25341 .
    ?item wdt:P2426 ?xeno .
    ?item ^wdt:P921 ?work .
    
  }
  LIMIT 100