星期二, 六月 20, 2006

放牧群落 - 3

在幽静的山间

竖立着这棵蓖麻树,

远看并不起眼的一棵树,

谁想到在它上面,

却又生活着另一个前所未见的庞大的游牧民族呢?

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“羊群”仍然是老样子 — 能分泌“蜜露”蚜虫,

但是今天的“牧人”与前拍摄的两集有很大区别:

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群落1拍的是一种集团作业的黑色大蚂蚁;

群落2拍的是一种单独作业、体型庞大、特大屁股的“蜜罐”蚂蚁;

这次群落3拍摄的是种集团作业而且体形很小的红色蚂蚁。

以前的两集放牧群落可以点击以下链接了解:

放牧群落1:

http://shootingstar.blogbus.com/logs/2005/09/1421655.html

放牧群落2:

http://shootingstar.blogbus.com/logs/2006/05/2540249.html

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本集故事开始

看图:

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它们的方式还是这样:

用嘴和触须轻轻“抚摩”蚜虫的小PP

然后衔住蜜露,往树根部运送。

可以看出它们的身体比蚜虫大不了很多,

但是数量很大,这个群落大概有200只左右。

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蚜虫们数量也很巨大,而且经常发生这样的情景:

并不需要蚂蚁的“抚摩”,同时有数只蚜虫主动分泌蜜露,

搞得蚂蚁们很恼火,一张嘴又衔不住2滴蜜露,

很多蜜露因为蚂蚁忙中出错,跌落在树茎上,

而蚂蚁也无暇顾及了,

这叫作——丰收的苦恼,呵呵

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采集蜜露是个细致的体力活

在这种高强度劳动下,

蚂蚁有时候溜达到旁边的叶子上休息休息,

样子比较滑稽,

嘴巴上还吊着一大滴蜜露舍不得放下:

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在这种情况下,

蚂蚁们还是有解决的办法。

因为,蚁群中有为数不多的一种“装载工具”

———— 大屁股运输蚁

与放牧群落第二集不同的是,

这种“大屁股”屁股大得有限,品种明显不一样,

但是原理是一样的:屁股是个大大的半透明的“蜜罐”

用于短时间收集“超量生产”的蜜露,解解燃眉之急 :)

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除了收集同伴嘴里的蜜露,

大屁股们还负责收集散落的蜜露。

前面提到,因为手忙脚乱,树茎上散落了一些珍贵的粮食,

就像人类的农民收割季节在田间“拾稻穗”一样,

它们也深知“汗滴禾下土”的辛苦,坚决不会浪费

见下图

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蚁群和“蚜群”的共生关系前提是:

蚂蚁得照顾弱小的蚜虫的安全,才能够取得报酬

而且,蚁群自身的安全也很重要

所谓“安全生产”“向安全管理要效益”云云,呵呵

于是,产生了负责警戒的“保安蚁”

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它们的身后,是忙碌的生产线

它们是不容欺负的团体,

保安的神态是比较“COOL”的

当然,这个是职业姿态  :)

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在这个小天地中

蚂蚁们年复一年忙碌着它们的“生活大计”

很有趣、而且神奇的一种动物,不是么?

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后记:

放牧群落已经拍了3集

每次都有新发现,每次都惊叹这些家伙的神奇

如果有新的发现,我还是不会吝啬快门,

我但愿可以拍到—放牧群落第四集   :)

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所用器材

佳能 350D

SIGMA 150/2.8/MACRO

佳能 550EX闪灯

金钟脚架。

高手 [回复]

佩服你.这么小的"小可爱"让你拍的那么真切..养眼

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