人们都知道猫会捉老鼠,可不知道猫头鹰比猫更会捉老鼠。猫头鹰的头象猫,两只大眼睛朝前长着,不象一般鸟那样长在头的两边。白天,它们总是闭着眼睛,停在树上休息;一到天黑,就飞出去寻找食物。它们的食物主要是老鼠,每年捕食的老鼠比猫捕的多。所以猫头鹰是益鸟,是人类的好朋友。猫头鹰为什么能在黑夜里捉老鼠呢?因为它有象猫一样能在黑暗中看清东西的眼睛,视力确实大大超过人类。在黑暗中,它还能依靠敏锐的听觉猎 People know cats catch mice, but owls do not know that cats catch mice more than cats. Owl head like a cat, two big eyes grow forward, unlike the general bird that grow on both sides of the head. During the day, they always closed their eyes and stopped at the trees to rest; when it was dark, they flew out for food. Their food is mostly mice, cats catch more each year than cats. So owls are beneficial birds, is a good friend of mankind. Why can an owl catch a rat in the dark? Because it has cat-like eyes that can see things in the darkness, and the visual acuity greatly exceeds that of humans. In darkness, it can rely on keen hearing hunches