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9种一般不会见到的生物 乌龟和蜘蛛的"合体"

2017-04-28 14:37:06   今日头条

这个世界上总有一些新奇的事物事你不知道的,我们越探索就会发现越多的未知事物,在不断的探索中,动物学家发现了这十种你根本不知道他们存在的生物

鬃狼

鬃狼是一种珍稀的犬科动物,是南美最大的犬科动物。它有着一件长长的、金红色的“外套”,在体侧皮毛是红褐色,而在背部和腿部为黑色,在尾巴尖部、喉咙处为白色,与众不同的鬃毛可以竖起,当遇到危险或准备进攻时,鬃狼会扩大身体轮廓,以显示自己。腿长而细就像踩着高跷,这有利于它们在高高的草丛中向四周瞭望。吻部、腿爪和耳尖黑色,身体也苗条,耳朵大而直竖。由于它们不狩猎大型猎物,所以犬齿比较不发达。

成年鬃狼体重大约20-23公斤,肩高1米左右,体长约1.24-1.34米,尾长28-40厘米

鬃狼是杂食性的。它吃犰狳、兔子、啮齿动物和其他小型哺乳动物、鱼类、鸟类、鸟卵、爬行类、腹足类和其他陆生软体动物、昆虫,也吃各种水果,例如香蕉、番石榴等等以及植物的根和块茎,有时候会偷窃家禽和小家畜。

鹿豚

鹿豚(Babyrousa babyrussa)又称猪鹿,偶蹄目猪科的动物,只生活在印度尼西亚的部分岛屿上。是世界上最为奇特的动物之一。长有4支奇特的长牙,其中下獠牙如野猪,突出唇外,挡在眼睛前方;上獠牙从口腔中向上长,穿出脸部,在眼睛斜前方弯曲向后。鹿豚分为四种:巴比如萨猪鹿(Babyrousa babyrussa)伯拉巴图鹿豚(Babyrousa bolabatuensis)西里伯斯鹿豚(Babyrousa celebensis)托吉安鹿豚(Babyrousa togeanensis),各自生活在不同的岛屿上。

鹿豚体长不超过1.1米,肩高65~80厘米,尾长27-32厘米,体重约80千克,最大也只有100公斤左右。体毛稀疏而短,带灰白鬃毛,无面疣。腿长、皮厚,毛稀。

鹿豚与其他哺乳动物不同的是,公鹿豚长有4只奇特的长牙。其中下獠牙如野猪,突出唇外,挡在眼睛前方;上獠牙从口腔中向上长,穿出上颚骨和脸部,在眼睛斜前方弯曲向后。鹿豚善于游泳,奔跑速度很快,听觉非常敏锐,嗅觉也十分发达,但它的视力很差。

巴塔哥尼亚豚鼠

巴塔哥尼亚豚鼠,因耳朵较长所以俗称兔豚鼠,分布于南美洲南部的巴塔哥尼亚草原,主要在阿根廷境内。其体态不似啮齿类而略似善于奔跑的有蹄类,四肢非常长,可以在草原上快速奔跑。主要以短草、树叶等为食,为昼行性动物,常以晒太阳的方式取暖。

长耳豚鼠头体长69-75厘米,尾长4-5厘米,重量8-16公斤。巴塔哥尼亚豚鼠拥有灰棕色的外表,但尾部内侧为白色,用以在危险逼近时警示同伴。巴塔哥尼亚豚鼠善于跳跃,眼大,尾短。与其它豚鼠不同的是,巴塔哥尼亚豚鼠的后脚趾有钩形爪。

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