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寒冷的冬天,对野生动物来讲,缺吃少穿,确是一个不易度过的难关。比如说蜗牛,主要吃植物的嫩叶。它背着的住房,还不足以阻挡严冬的寒风。冬天植物的叶子黄落了,蜗牛没有吃的东西,只好躲到地下或墙角落里,悄悄地缩进自己的硬壳,分泌出一些粘液,把壳口封上一层防风的薄膜,就不吃也不动,美美地睡一个冬天。等到春风吹绿原野的时候,再出来活动。来我们家里做窝的燕子,一到深秋,找不到苍蝇、蚊子和危害庄稼的昆虫,只好带着已能远飞的小燕子,
Cold winter, speaking of wildlife, lack of food and less wear, is indeed a hard time to spend. For example, snails, the main plant to eat young leaves. It carries the housing, not enough to stop the cold winter winds. Winter plants fall yellow leaves, snails did not eat something, had to hide in the ground or wall corners, quietly retracted into their hard shell, secrete some mucus, the shell mouth sealed a layer of windproof film, no Eat does not move, the United States and the United States to sleep for a winter. Wait until the spring breeze green field, then out activities. To our nest nest swallows, one late autumn, can not find flies, mosquitoes and insects that endanger crops, had to fly with a little swallow,