许多动物有尾巴,尾巴有着不同的功能。牛和马经常晃动自己的长尾巴,用来驱赶叮咬、吸血的牛虻和蚊蝇等昆虫。猫的尾巴是很好的平衡器。它们在梁上追逐老鼠的时候,可以保持身体平衡,万一掉下来,只要一甩尾巴,便可让四脚先落地,避免脊背着地跌伤。松鼠有一条蓬松的大尾巴。天冷时,它蜷成一团,毛茸茸的尾巴遮住身体,象被子似的起保暖作用。当它们从高处向下跳落时,张开大尾巴,起着降落伞和舵的作用,使它安全下降。生活在非洲的卷尾猴,它们的长尾巴可卷曲缠绕住树枝,然后四肢临空,倒挂着身躯,象荡秋千 Many animals have tails and their tails have different functions. Cattle and horses often rock their long tails to repel insects such as bites, blood-sucking oxen and mosquitoes. Cat’s tail is a good balancer. When they chase mice on the beam, they can maintain their body balance, and if they fall, they can drop their feet on the ground with a flick of their tails to avoid falling back on their backs. Squirrel has a fluffy big tail. When the weather is cold, it curls up and the furry tail hides itself, keeping it warm like a quilt. As they jumped downwards from a height, they opened the big tail, acting as a parachute and rudder, causing it to drop safely. Capuchin living in Africa, their long tail can curl around the branches, and then limbs, the body upside down, like a swing