Chen Chia-shen, who has had countless opportunities to hear birdsong during the many years he has spent photographing birds in Taiwan and on mainland China's Tibetan plateau, quite simply describes the cuckoo's song as "monotonous."
聽多了鳥鳴聲，在台灣、大陸青康藏高原往來多年、拍攝鳥類的陳加盛不就說，鵑聲不過就是「單調」兩字。