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Re: Marsupials see colors



>
> The apparent ability to see in the UV spectrum is
> interesting... Any thoughts as to what advantage
> this
> might serve?

++++++++++++++++++++++++++++++++++++

Male Galapagos land iguanas (_Conolophus_) secrete a
waxy substance that is, apparently, highly reflective
in UV. They use it in much the same way that dogs use
fire hydrants.

So, as usual, sex can be thrown in as a reason.

Jason

"I am impressed by the fact that we know less about many modern [reptile] types 
than we do of many fossil groups." - Alfred S. Romer

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