綠繡眼要養到多大才能野放呢? - 鳥
By Dorothy
at 2007-06-23T01:31
at 2007-06-23T01:31
Table of Contents
推 cloudstr:請教一下 什麼是印痕? 06/22 19:31
印痕行為(imprinting)是指某些鳥類在孵化時,
會對第一眼所見到的生物產生強烈的印象。
自此,這隻幼鳥再成熟播遷之前,會僅隨他所印痕的生物。
當然,在自然的狀態下,被印痕的通常都是該幼鳥的親鳥,
印痕非常少作用在親鳥以外的生物上。
印痕之所以會被天擇青睞,最重要的是,
幼鳥會排斥印痕以外的個體,以保護自己遠離陌生人。
這個現象是由勞倫茲在雁鴨科得鳥類上所發現,
確實,印痕在這一類鳥類上的作用較明顯。
而如今,在其他非雁鴨科的鳥類身上,
也發現有印痕行為,只是作用不像雁鴨這麼強烈。
這個現象是在寵物鳥越來越普及之後所發現的,
這些寵物鳥明顯的被馴化,行為與一般野生鳥類差異大。
我不能跟你保證,這樣子的鳥野放後到底能不能適應野外的環境,
但是行為上的差異總是令人憂心忡忡。
--
Nothing in biology makes sense, except in the light of evolution.
Very little in evolution makes sense, except in the light of ecology.
--
All Comments
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at 2007-06-23T09:20
at 2007-06-23T09:20
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