[extropy-chat] Looking for examples of naturally evolved X-ray vision?

MB mbb386 at main.nc.us
Tue Jan 17 22:29:43 UTC 2006

> Rattle Snakes
> http://www.desertmuseum.org/books/rattlesnakes.html
> "Rattlesnakes and other pit vipers have remarkable heat-sensing pits.
> Located behind each nostril, below a straight line that would directly
> connect the nostril to the eye, is a loreal pit (called this because it is
> a
> depression in the loreal scale). These pits are highly effective in
> detecting differences in temperature even several yards away. At short
> ranges within a foot or so, minute differences (of perhaps fractions of a
> degree) may be perceived."
> Maybe evolution has not been working long enough.

Pythons also have heat pits.

You can clearly see the three pink heat pits here:


Ball pythons are night hunters.


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