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捕鱼高手-苍鹭

(2011-11-25 09:39:04)
标签:

深圳

苍鹭

猎物

捕食

哺乳动物

杂谈

      在深圳红树林,我第一次看见野生苍鹭,开始它一动不动地站着,当发现猎物时,它用长长的尖嘴挑逗鱼儿,并用嘴夹着鱼向前走,看起来那条大鱼很难被它吞下去,于是我想,这只苍鹭也太贪心了吧,居然捕捉这么大一条鱼,到底是想吃还是想逗它玩儿呢?

      第二天在深圳买了一本英文版的“欧洲鸟类大全”,在其中查到了有关苍鹭的介绍,才得知苍鹭的确是捕鱼高手,它的猎物有鳗鱼、扁形鱼类,有人还看见过它捕食飞鸟、小的哺乳动物和青蛙。苍鹭通常很孤独,拥有自己的领地,喜欢站在浅滩一动不动,捕食时,迈着长腿在浅水中漫步。有时用长腿搅动水中的猎物,使其暴露出水面,再用尖尖的长嘴刺中猎物。

      原来苍鹭的习性就是如此,并非贪婪,比起其它的鹭类,我想它是一种比较厉害的涉禽。

      下面这段英文描述了苍鹭的习性:

苍鹭Grey Heron90-98cmStanding patiently at water's edge, completely immobile, the Grey Heron shows remarkable skill in hunting fish; one stab from the powerful bill is usually enough to secure its prey, which could be a large eel or flatfish. Grey Heron have also been observed to catch water birds, small mammals, and frogs, and will sometimes move slowly through shallow water pushing their long feet in front of them in order to drive prey out into the open. At rest, they often stand on one leg with the neck hunched up, and they also fly with the neck retracted, unlike cranes. Usually solitary and quite terriorial, Grey Herons occasionally nest in loose colonies high up in large trees.



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