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第七百二十七章 抓到北极狐(1 / 2)

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正当毕方思索如何安全离开之际,趴在冰面上的北极熊突然动了起来。

所有人都绷紧了神经,可很快他们就知道,北极熊并没有针对毕方,而是对着冰面下的生物发起了攻击。

伴随着水花声,一头肥硕的海豹从海水中钻出,只不过是被北极熊咬着脖子。

“看来它的目标并不是我。”

毕方语气轻松,匍匐着往后退。

倘若北极熊没抓到海豹他还要稍微担心一下,但现在,毕方已经用不着担心了,没人会放着大餐不吃,去吃烤面包,还是大列巴面包,动物也如此。

营养丰富的海豹是北极熊过冬的重要食物,海豹为了保暖,身上也囤积了大量的脂肪,而这些脂肪就是北极熊们的最爱。

一只一百斤的海豹就能够为北极熊提供8天的能量。

不过北极熊在食物丰富的情况下,只会进食海豹的脂肪部分,而将肉质弃之不用,这是因为它们更喜欢热量丰富的脂肪,也正是因为如此,在冬季时捕食能力较差的北极狐会跟随在北极熊身后寻找食物。

它们的生活来源之一就是北极熊剩下的肉食。

【麻蛋,差点被吓死】

【谁实话,就算北极熊真对毕方有什么想发,最后出事的也不一定是老方(捂脸)】

【这倒是,曰本之行宰了好几头熊了】

【北极熊还是不一样的吧】

空气中渐渐飘散起了血腥味,北极熊大口咀嚼,毕方则是缓缓离开。

【话说北极熊不冬眠的吗?】

【是啊,我记得好像北极熊会冬眠啊】

“北极熊冬眠是看情况的,如果有吃的,北极熊就不会冬眠,如果没有,就会,而且如果是怀孕的母熊,基本上都会冬眠。”

“熊的冬眠也很其他动物不一样,就算冬眠了,有时候也会突然苏醒溜达一圈,而且熊在冬眠期间肌肉强度和骨骼萎缩度并没有什么变化,然而人如果一躺躺几个月不进行任何活动,一定会肌肉萎缩骨质疏松。”ωωw.cascoo.net

毕方退出了五十米开外,重新站起了身子,望着不远处还在进食的北极熊。

“冬季其实是北极熊重要的捕食海豹季节,夏季的时候北极熊的觅食能力就会变差许多。”

“主要原因是因为北极熊的捕猎严重依赖浮冰,在稳固又适宜的海冰上,北极熊每捕食5-6次就会有一次获得成功。而在开放水域的海冰上,北极熊的捕食海豹的成功率就会下降到5%以下。”

“我们的运气其实很不错,居然可以看到北极熊捕捉到海豹的场面,这个概率可是非常之小的。”

北极熊通常有两种类型的狩猎模式,最常用的是“等待”的方法。

海豹会利用锋利的爪子在冰上留下10-15个呼吸孔,它们大约每隔5-15分钟就会在其中一个呼吸孔中浮出水面,北极熊就会守在它们其中的一个呼吸孔附近等待它们,而等待的时间会很长,有时会几个小时,但有时会好几天。

北极熊就会一直在旁边等待几个小时,等到海豹一露头,就发动突然袭击。用一把锋利的爪将海豹拖出呼吸孔。

另一种模式是直接攻击海岸附近的海豹,这个就是正常狩猎活动。

“一个有趣的统计显示,北极熊一生中大部分时间,大约是66.6%是‘静态’的,比如睡觉,躺下来休息,或等待猎物。29.1%的时间在陆地或在冰上走路或游泳。1.2%的时间在袭击猎物,享受美味。”

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