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濒临灭绝的野生动物-白犀牛
世界上有很多濒临灭绝的动物,其中白
犀牛就是一种。
白犀牛
• 栖息地:非洲,要地形平坦有灌木,草地和水源
• 食性:食草,一天中一半时间用于进食
• 体重:2800~3000公斤
• 体长:300~450cm
• 体高:175~205cm
• 体型:第五大陆生动物,最大的犀牛,体大威武,仅次于大象
• 犀角:工艺品的原料,名贵的药材,最长有158.7cm
• 特点:嘴唇宽,嗅觉好,听觉好
• 名称:荷兰语wijd,宽。误认为是white,白
• 智力:最高的,最进化,最聪明,大脑重360g
• 习惯:在泥泞水池里打滚
• 奔跑时的速度:40km每小时
• 习性:性情温和,并不好斗
以前到现在数量的变化
• 二十世纪的时候,北部白犀牛数量多过南部白犀牛。
1960年白犀牛还很常见,有2000只可是因为偷猎,到
了1980年,仅剩15只。偷猎者依旧猖狂,1997年只剩8
只,到了现在仅剩3只,唯一一只雄性已经老了,丧失
了繁殖能力,达到了43岁,他大概能活到50岁,科学
家需要在这几年的时间里尽量完成人工繁殖,让这一
物种保留,继续在非洲草原上自由的漫步。
白犀牛为什么会濒临灭绝
• 白犀牛的角、皮、肉、血、骨、内
脏,都有很大的经济价值。特别是
犀牛角,它可做成工艺品,弯刀刀
柄等,还是名贵药材,非常昂贵。
偷猎者为了获得犀牛角赚钱,开始
乱捕滥猎。有的在白犀牛还未死亡
的情况下把角活活锯下,有的为了
获得完整的犀牛角,会把整个犀牛
角连根拔下来,有的甚至挖开了半
张脸!有的偷猎者会往水里面放毒
药,白犀牛喝完后,就会死去。这
让白犀牛的数量迅速下降。
白犀牛为什么会濒临灭绝
• 得到犀牛角后,对白犀牛置之不理,丝
毫不管它们的死活,白犀牛只能在极度
痛苦中死去。在自然界,它们几乎没有
天敌,唯一的危险就是偷猎者,可即使
再大的体型,再坚硬的皮肤,也挡不住
偷猎者的子弹。为了得到这点经济利益,
他们就大开杀戒。这使得大量白犀牛死
去。现在依旧有偷猎者正在虎视眈眈。
• 此外,因为人类的伐木,开垦农田等活
动,让白犀牛的栖息地受到破坏。
• 而且他们还要遭受内战及社会不安定因
素的影响。白犀牛这一物种,正在从这
个世界一点点离去。
我们要保护白犀牛
• 我们要保护濒危动物,
要保护白犀牛,不让它
们走向灭绝。可是为什
么要保护它们呢?人类
是想让我们的后代也能
了解它们的习性,知道
它的样子。利用仿生学
,让我们从中学习到一
些知识,更好的帮助人
类。
人们是如何保护白犀牛的
• 现在唯一三只白犀牛在肯尼亚的保护区里
。人们为了不让盗猎者为了它的犀牛角而
将最后一只雄性白犀牛杀害,已经将它的
犀牛角取出。
• 可是人们还是怕它会被杀害就让四十多名
武装警察24小时轮流保护这头白犀牛。他
的身上还装有无线电发射机,随时了解他
的去向。
• 保护这只白犀牛也遇到了问题,它们的经
济十分紧张,6个月就花费了75万人民币,
过去这是旅游业的补给,可是因为肯尼亚
近期动乱、埃博拉疫情,旅游业十分不景
气。我觉得,可以号召捐钱给保护区,每
个人都捐,积少成多,让我们也为保护白
犀牛助力。
我们也要保护白犀牛
• 光靠武装警察,专家来保护是不行的,我们要从
自己出发。没有买卖就没有杀害。更何况犀牛角
其实相当于人的指甲,毫无用处。我要拒绝购买
犀牛角制品。
• 我还要宣传保护白犀牛,保护野生动物,让更多
的人也行动起来,尽力保护白犀牛。让这种物种
还能在草原上生存。

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