Chin Heng-piao believes that people will only care for animals and protect them if they understand more about them first and that audio-visual materials are better able to attract the public than the written word. So he encouraged Liu to make a documentary on the Formosan blue magpies and allocated funding for it from the institute's research budget.
金恆鑣認為只有讓大家多瞭解野生動物，人們才會進而關心、保護他們，而視聽資訊比文字更容易吸引大眾，便鼓勵他以藍鵲為主題，拍攝影片，並將此列入林試所研究經費中。