貓頭鷹被譽為「世界上最安靜的飛行鳥類」，因為牠們在飛行時是沒有聲音的。
牠們的尾羽有像圍巾一樣的鬚邊，在翅膀向下拍的時候可以分解空氣流經表面羽毛時產生的音波。貓頭鷹身體上的其他部位都被柔軟的絨羽覆蓋，就可以吸收剩餘的頻率。
有些人和有些事，就是會悄無聲息地來到你身邊或是你的心裡——所以那些人那些事，也像貓頭鷹一樣悄悄地來了嗎？
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十辭星海
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