When we look at the analysis made by Japanese ornithologist Seinosuke Uchida from tape recordings of the cuckoo's song, we are surprised to discover that in Japanese, the words the cuckoo keeps repeating so assiduously are: "Have you been to the highest place?
日本鳥類學者內田清之助曾對社鵑鳥鳴進行錄音分析，嚇然「發現」，杜鵑竟以日語反覆苦吟：「有沒有去過最高之地？」