Mice don't seem to have the vocal flexibility of elephants; they cannot, like the 10-year-old female African elephant in Tsavo, Kenya, mimic the sound of trucks on the nearby Nairobi-Mombasa highway.

老鼠似乎没有大象的声音灵活性；它们无法像肯尼亚察沃的 10 岁雌性非洲象那样模仿附近内罗毕-蒙巴萨高速公路上卡车的声音。