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Re: Did Feathers Evolve for Dispaly? We Still Don't Know!

It's really interesting that I read this article about ten minutes before I read the one on Sinosauropteryx.


~Tiffany Miller

Ronald Orenstein wrote:

As I understand it no animal can directly synthesize carotenoids but must get them from 
their diet.  There is a great deal of ornithological literature on this subject, 
especially from the lab of Geoffrey Hill, particularly based on the hypothesis that 
carotenoid levels are an "honest signal" of fitness because their presence is 
an indicator of overall health and ability to find sufficient amounts of food.

      {"Science is not belief, but the will to find out"}
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