After going to all the trouble of catching tawny fish owls, attaching transmitters and then releasing them, the birds often break the wire with their beaks, and at one point three owls in succession pecked off their transmitters. Fortunately the transmitters, which cost NT $ 7-8000 each, were not damaged, and Sun was able to use their signals to find them again.
好不容易抓到鳥，裝上發報器後放走，卻被黃魚鴞啄斷細絲，一連三隻黃魚鴞啄掉了三個發報器，所幸六、七千元的發報器功能未失，還能夠循著信號找回來。