>Why aren't rabbits green?

PatParson pparso29 at news.idt.net
Fri Nov 15 00:37:33 EST 1996


rowan at crl.com (William H. Rowan) wrote:
>It occurred to me that the visual capabilities of predators are relavent.
>Dogs don't see in color; do any mammalian carnivores other than primates?
>I think I heard that hawks see in color.  In any case, not all carnivores
>do see in color, which perhaps says something about the value of color
>vision for hunting animal prey.
>
>Why do we have color vision?  Maybe because it helps us tell whether fruits
>are ripe and good to eat?  We passed through a fruit-eating stage as primates.
>I have a theory that color vision was one of the things that led us to
>evolve increased intelligence.  The idea is, that color vision increases the
>amount of information taken in by the eyes.  This creates an increased
>value for brain organizations that can utilize the increased amount of
>information.
>
>Bill Rowan

Not long ago, some psychologist reported that dogs do indeed see in color. Or 
at least they are capable of distinguishing colors.

Pat Parson





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