老鼠與人類均是雜食性動物(Omnivores),而老鼠每日約有80%的食物均是在晚上進食的。668Please respect copyright.PENANALy5pk1ocrX
668Please respect copyright.PENANA2pCVxdSpx4
若果晚上(>12hr)不讓老鼠進食的話,牠們的體重平均來說會減去10%左右。668Please respect copyright.PENANATLoueHMv3X
668Please respect copyright.PENANAZrZnYyfMI8
約連續22小時不讓牠們進食後,牠們腸道便會變得空空如也。668Please respect copyright.PENANAxXEkEjG4hJ
668Please respect copyright.PENANAW60pdqSx2U
(圖2)老鼠是夜行性(Nocturnal)動物,牠們眼球內負責辨認顏色的錐體少得非常可憐,純粹依靠感應紫外線的接受器,透過紫外線的強弱了解世界。668Please respect copyright.PENANAcUC59cqYJ3
668Please respect copyright.PENANAXwxEW14QIR
668Please respect copyright.PENANA9ptvOX0Vxb
只不過的是,牠們大多偏愛清晨時份進行交配行為。668Please respect copyright.PENANAHVvV2eKMHH
668Please respect copyright.PENANAd1LH7wANu2
(圖3)老鼠的感覺毛 (Whiskers)有著感測聲音的能力,其排列大多是五橫行分佈,每行約有五至九點。668Please respect copyright.PENANADT4OlHB58h
668Please respect copyright.PENANA6ojCNZMzfZ
668Please respect copyright.PENANAVbieCZ7R8s
越靠近嘴部的感覺毛,所能感測的聲音頻率亦越高。668Please respect copyright.PENANAANVeSigb4y
668Please respect copyright.PENANAS2zQw3jD1T
人類最高能感測至20k Hz的音頻,而老鼠最高則能去到90k Hz,高於20k Hz的超聲波(Ultrasound)同時亦是老鼠聽力最為敏感的區域。668Please respect copyright.PENANAkdPnMq3sxm
668Please respect copyright.PENANAeHvJUth4Ih
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利用超聲波驅逐或者招來老鼠,或許可行。668Please respect copyright.PENANAPOa8TNhv5Z
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