Lu Dao-jye, a conservation technician at the Council of Agriculture, explains that when night falls and the bats have been hungry all day, they come out in such a hurry that they forget to use their sonar system and fall into the traps.
農委會保育科技士盧道杰的經驗之談是，入夜後，有些蝙蝠餓了一天，出門覓食往往行色匆匆，也會急得忘了使用聲納而誤蹈捕網。