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。622Please respect copyright.PENANAPiN0yLC9WL
622Please respect copyright.PENANAkh6KPJmGyI
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。622Please respect copyright.PENANAzEQUIa4Na7
622Please respect copyright.PENANAk86ywIDVxa
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。622Please respect copyright.PENANAe82ntGwSN4
622Please respect copyright.PENANALLeJaJpzQO
(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。622Please respect copyright.PENANAMOHpwFBCLx
622Please respect copyright.PENANAB6JyaPFHwx
622Please respect copyright.PENANAsh73JwQjWm
只不過的是,牠們大多偏愛清晨時份進行交配行為。622Please respect copyright.PENANAnf68OdI4jy
622Please respect copyright.PENANAMVqjMXOwqM
(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。622Please respect copyright.PENANAYNzcC4rj5i
622Please respect copyright.PENANANfJJ7vXmdi
622Please respect copyright.PENANANnxpOtGmEq
越靠近嘴部的感覺毛,所能感測的聲音頻率亦越高。622Please respect copyright.PENANA9lGSIpR1U8
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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。622Please respect copyright.PENANAmb8cC4RM04
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622Please respect copyright.PENANAbJDqgxDFpu
利用超聲波驅逐或者招來老鼠,或許可行。622Please respect copyright.PENANA92f1BlWesa
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