Difficulty in getting close to the object of one's research has always been a problem faced by all wildlife researchers, and when one chooses to write one's doctoral thesis on a rare species like the tawny fish owl, about which there is an almost complete lack of information, then one must always be ready to pick a new topic and start again from scratch.
研究對象難以接近，原本就是生態研究者面臨的共同難題，但以資料幾乎空白的稀有動物黃魚鴞做為博士論文，更要有隨時更換研究對象、從頭開始的打算。