天气预报 > 自然 > 熊是怎么冬眠的
熊是怎么冬眠的
更新时间: 2021-02-06 19:00:34  

1、因为熊在冬季不容易获得食物,为了不被饿死,所以熊就会以冬眠的方式来度过冬季。熊冬眠时会挑选适合的洞穴,一般选在向阳的避风山坡或枯树洞内。冬眠的时间可持续4~5个月,在冬眠过程中如果被惊动它会立即苏醒,偶然也会出洞活动。

2、熊在冬眠时呈麻痹状态,但体温不降低或降低少许,长时间不进食而呈睡眠状态,且易觉醒,对外界的刺激能立即做出反应。有半冬眠动物之称。生活于北方寒冷地区的熊有冬眠现象,而位于亚热带和热带地区的黑熊往往不冬眠。

关键词: 怎么 冬眠

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