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Why are there big white birds?

There are no small white birds except in snowy regions where being white really helps you to hide. In regions where I have lived the only small bird with considerable white on it is the wagtail.

There are no white mammals except in polar regions, either. And very few black-and-white, too.

 But there are a lot of big black-and-white or grey-and-white birds, and some all-white too. Why so? Do they have no enemies? It's well known that foxes eat birds the size of geese!

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Categories: Animals.

Tags: birds, survivaladvantage.

 

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See this Bug. What survival advantage could have been conferred by resemblance to a human face (when viewed either way) ?

These are the photographs of a strange bug I came across during my stay in Manipur state of North East India. The dorsal view of the insect resembles a human face.  This semblance to human face doesn't appear to be by chance. What evolutionary advantage could have favored such an adaptation.

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  • Asked by vinigma
  • on 2010-02-25 17:45:21
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Last edited on: 2010-02-25 17:53:48

Categories: Domestic Science.

Tags: unanswered, evolution, insect, survivaladvantage.

 

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See this Bug. What survival advantage could have been conferred by resemblance to a human face (when viewed either way) ?

These are the photographs of a strange bug I came across during my stay in Manipur state of North East India. The dorsal view of the insect resembles a human face.  This semblance to human face doesn't appear to be by chance. What evolutionary advantage could have favored such an adaptation.

media media media
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  • Asked by vinigma
  • on 2010-02-25 17:45:20
  • Member status
  • none

Last edited on: 2010-02-25 18:09:44

Categories: Domestic Science.

Tags: unanswered, evolution, insect, survivaladvantage.

 

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3 matches found


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