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Why aren't rabbits green?

Grace K Hsu ghsu at ic.sunysb.edu
Sun Oct 20 02:45:52 EST 1996


> 
> Given the fact that rabbits are rather defenceless prey animals that
> spend almost all of their life outside the warren eating against a
> green background, why haven't they evolved to be green? And why has no
> other similar mammal evolved green skin or fur, while many insects
> have?
> 
> Does anyone have any suggestions?
> 
> Cheers,
> Martin
> 
	Probably because mammals (so far as I know) can't grow green 
pigments?  Why they can't? I'm not sure ( I mean aren't bird's feathers 
made of the same matirial as fur?) 



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