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Re: pterosaurs & snakes

On 04/19/95, Stan Friesen wrote:

> There is some research on sexual display in recent animals that
> suggests that there is a sort of "look, I am so tuff I can be
> healthy *in* *spite* of this disadvantage" message in many of
> the display strategies. [Like peacock's tails ...]

There's also some research that says symmetry is a very important
consideration in attractiveness, and that more symmetrical animals are
healthier animals.

This leads to the speculation that the display is grown because it's
symmetrical: "Look, not only can I produce an enormous tail, i can produce
a perfect (symmetrical) enormous tail!"

~ Kiran

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