Whereas other people watch birds so as to indulge their interests in nature, Lin Po-ting sets out with the added purpose of using it to help him get a better understanding of the sentiments enjoyed by the painters of Chinese bird and flower paintings through the ages and make progress in his knowledge of how to tell authentic from fake works of art.
別人賞鳥是為了享受自然之趣，對於林柏亭，賞鳥還附帶幫助他更瞭解中國歷代花鳥畫家作畫時的心境，也能進一步辨識古畫的真偽。