动物怎样过冬

• 作 者: 华惠伦
• 出 处: 少年科技博览
• 发表日期: 2004年期
• 关键词: 秋末冬初 冬眠期 腹甲 睡鼠 蛙类 呼吸次数 血液循环 营养物质

动物为了度过严寒的冬天,有几种绝招:一是冬眠,如昆虫、蛙、蟾蜍、龟、蛇、少数鸟类、蝙蝠、刺猬、一些熊和鼠等;二是迁徙,如候鸟在秋末冬初迁飞到南方气候温暖、食物相对丰富的地区越冬:三是减少活动,彼此常挤在一起增加热量,如麝牛、企鹅等;四是加剧活动,靠运动增加热能,同时多捕食猎物,如短尾鼬等。

Animals in order to survive the cold winter, there are several trick: First, hibernation, such as insects, frogs, toads, turtles, snakes, a few birds, bats, hedgehogs, some bears and rats, etc .; the second is migratory, In early winter, it flew to the south where the climate is warm and where the food is relatively abundant: wintering: the third one is to reduce activities and squeeze heat together, such as musk ox and penguin; fourth, to intensify activities and increase heat by exercise, , Such as short-tailed ferret and so on.