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Re: Marsupials see colors



----- Original Message ----
From: "Mickey Rowe;893-2446" <mrowe@lifesci.ucsb.edu>
To: dinosaur@usc.edu
Sent: Monday, 27 March, 2006 6:58:21 PM
Subject: Re: Marsupials see colors

On UV vision...
> Many lineages simply retained it.  Others (e.g.,
>birds) appear to have lost it as their sensitivities shifted toward
>longer wavelengths and some of those (again still talking birds)
>re-acquired it as their sensitivities shifted back to shorter
>wavelengths.

I thought most if not all birds possessed UV vision:

http://www.bio.bris.ac.uk/research/vision/4d.htm

Many seeds reflect in UV too. 

Denver.