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蛇吃鹰!阿鲁巴岛的红尾蚺!逆袭也不是不可能的!

时间:2020-12-13 来源:毒蛇网 作者:贴吧 点击:0

   导读:蛇吃鹰!阿鲁巴岛的红尾蚺!逆袭也不是不可能的!大家都知道,老鹰是蛇的天敌,它们利用锋利的爪子,和刀子一样的锋利的啄,可以造成蛇类致命的伤害。不过,老鹰也有失手的时候,被大蛇绞杀而死,下面我们就来看看。
蛇吃鹰!阿鲁巴岛的红尾蚺!逆袭也不是不可能的!
   Boa c. constrictor - an invasive species on the island of Aruba
   蟒蛇-阿鲁巴岛上的一种入侵物种
   Roel Uckerman and his wife Hesther are of Dutch descent. They are living on Aruba for 10
years now. Mr. Uckerman is working for the Arubian coast guard.Aruba, Dutch West Indies is an island 20 kilometers off the coast of the peninsula Paraguana of Venezuela.
   罗尔乌克曼和他的妻子海丝特是荷兰人后裔。他们在阿鲁巴已经生活了10年。乌克曼先生在阿鲁比亚海岸工作守卫,阿鲁巴,荷兰西印度群岛是一个离委内瑞拉巴拉圭半岛海岸20公里的岛屿。
蛇吃鹰!阿鲁巴岛的红尾蚺!逆袭也不是不可能的!
   Map of Aruba
The size is approximately 190 square kilometers. The length is 31km and the most widen part has a width of 9km.
Aruba belongs to the Kingdom of the Netherlands since 1636. Together with its neighbouring Islands Curacao and Bonaire, which are respectively 60nm and 120nm to the east.
   阿鲁巴地图面积约190平方公里。全长31公里,最宽部分宽9公里。阿鲁巴自1636年以来属于荷兰王国。以及邻近的库拉索岛和博内尔岛,分别位于东面60海里和120海里。
蛇吃鹰!阿鲁巴岛的红尾蚺!逆袭也不是不可能的!
   Aruba, scenery
It is estimated that there are approximately 75.000 people living on Aruba, this is of course without illegal immigrants and tourists.
You may ask yourself now, why we publish a report about this island on our website.
The reason, that this is the first documented case that Boa constrictor has become an invasive species.
Invasive species (Neobiota) are animals who were brought to an ecosystem by humans where they have not existed before and where they are firmly established now.
Three criterions must be fulfilled by a species to be rated as neobiota:
   阿鲁巴风景区估计有大约75000人居住在阿鲁巴,这当然没有非法移民和游客。你现在可以问问自己,为什么我们要在我们的网站上发布一篇关于这个岛的报道。原因是,这是第一个有文献记载的大蟒蛇已经成为一种入侵物种。入侵物种(新生物群)是人类把它们带到一个生态系统中的动物,在那里它们以前不存在,现在已经牢固地建立起来了。新生物群物种必须满足三个标准:
   directly or indirectly introduced by humans
introduction must have taken place after the year 1492 (beginning of the colonization and the related integration of the countries all over the world)
self - reproducing population, who doesn't needs the help of humans to exist
The Boa constrictor is not a native snake on the island of Aruba. Nevertheless nearly every day specimens up to 2 meters long are captured. In March 2005 a 6 ft. (1,80 m) long boa even visited the garden of Mr. and Mrs. Uckerman.
   人类直接或间接引种的引种必须发生在1492年(世界各国开始殖民和相关的一体化)后的自我繁殖群体,谁不需要人类的帮助就可以生存。蟒蛇不是阿鲁巴岛上的本土蛇。然而,几乎每天都能捕捉到2米长的标本。2005年3月,一只6英尺(1.80米)长的蟒蛇甚至参观了乌克曼夫妇的花园。
   Most likely irresponsible owners of pet Boa constrictors released their animals in the wild. Since these boas are fast breeders and since they adapted well on the environment of Aruba they are showing up everywhere, even in the city. This is also due to the fact that they have no natural enemies there.
This newcomer in the snake world of Aruba is regarded as a plague by many of the natives.
   很可能是不负责任的宠物大蟒蛇的主人在野外放生它们的动物。因为这些野猪是快速繁殖的,而且它们适应了阿鲁巴的环境,所以它们到处可见,甚至在城市里。这也是因为它们在那里没有天敌。阿鲁巴蛇界的这个新来者被许多当地人视为瘟疫。
   Aruba, scenery
Some boas are born in sewage wells and people on Aruba say that if you're bitten by such a snake you're infected with bacteria from the sewage. Up till now nothing serious has happened. But the common opinion of the people on Aruba is that this snake ruins the original wildlife.
   阿鲁巴,风景一些蟒蛇出生在污水井里,阿鲁巴岛上的人说,如果你被这样的蛇咬了,你就会被污水中的细菌感染。到目前为止还没有发生什么严重的事情。但是阿鲁巴岛上的人们普遍认为这条蛇破坏了原始的野生动物。
   These photos of a Boa constrictor were taken by the dutch tourist J. Beijaard during a vacation on Aruba. He kindly put it to our disposal.
As one can see, the boa is just feeding on a large bird called warawara by the natives.
It is amazing that such a large boa still ventures in such a precarious height.
And this is the guy on the menu. The non-scientific name is Kuifcaracara, the latin name Polyborus plancus. This bird of prey is distributed in the U.S., South America and also on Aruba. It can grow to a length of 61 cm (2ft); the maximum wingspan is 130 cm (4,2 ft) and the maximum weight is 1500 g (3.3 pounds).
   这些大蟒蛇的照片是荷兰游客J.Beijaard在阿鲁巴度假时拍摄的。他好心地把它交给我们处理。正如我们所看到的,野猪正在吃一种名为瓦拉瓦拉的大鸟。这么大的蟒蛇居然还能在这么危险的高度冒险,真是不可思议。这就是菜单上的那个人。非科学名称是Kuifcaracara,拉丁名Polyborus plancus。这种猛禽分布在美国、南美洲和阿鲁巴。它可以长到61厘米(2英尺),最大翼展为130厘米(4.2英尺),最大重量为1500克(3.3磅)。
   photo und information: Wikiрedia
There are 2 native snakes on the island. The Santanero and the Cascabel. The Cascabel is a poisonous rattlesnake which only lives in the wild on Aruba. The maximum length of the rattle snake Cascabel is 65-100 cm and its colour varies between light-brown and grey-brown, the belly is broken white on its back it carries diamond shape figures. Its venom is not deadly.
(Note by H + E Stöckl: We was informed by a reader that the Cascabel is one of the most venemous rattlesnkes. An interntes research confirmed this. That means, Roel Uckerman is mistaken in this matter).
It seems the Cascabel is losening his territory to the Boa.
The maximum length of the Santanero is 50-70 cm and it only eats insects.
   图片和信息:Wikiрedia岛上有2条本地蛇。桑塔内罗和卡斯卡贝尔。卡斯卡贝尔是一种有毒响尾蛇,只生活在阿鲁巴的野外。响尾蛇Cascabel的最大长度为65-100厘米,颜色介于浅棕色和灰棕色之间,腹部是破碎的白色,背部有菱形的形状。它的毒液并不致命。(H+E Stöckl注:一位读者告诉我们,卡斯卡贝尔是最具威尼斯特色的响尾蛇之一。interntes的一项研究证实了这一点。这意味着,罗尔·乌克曼在这件事上是错的)。看来卡斯卡贝尔正在把他的地盘让给博阿。桑塔内罗的最大长度为50-70厘米,它只吃昆虫。
   Aruba, scenery
The final question is whether it is possible that the Arubian Boa constrictors are not released pets, but drawn from mainland Venezuela to Aruba by currents.
It is possible, but not likely. Between Aruba and the peninsula Paraguana (that consists mainly out of sand and is 5 times bigger than Aruba) is a strong, 2 to 4 knots, westerly current. A distance of 20 km with such a current is hardly to overcome even by Boas who are good swimmers.
However it is possible that they entered the waters from a more easterly place. Venezuela has many landslides due to heavy rainfall, maybe some of the Boas were drawn with it. This does not exclude setting free pet Boas.
Aruba, coastal vie
   最后一个问题是阿鲁巴大蟒蛇是否可能不是被放生的宠物,而是被水流从委内瑞拉大陆拉到阿鲁巴的。有可能,但不太可能。在阿鲁巴和巴拉圭半岛(主要由沙子组成,比阿鲁巴大5倍)之间有一股2到4节的强劲西风。在这样的水流下,20公里的距离是很难克服的,即使是善于游泳的蟒蛇。然而,它们可能是从偏东的地方进入水域的。委内瑞拉因强降雨而发生多处山体滑坡,可能是一些红尾蚺被拉上来的。这并不排除放生宠物红尾蚺。阿鲁巴,滨海vie
 
   
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