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Re: ABSRD BAND on Sinornithosaurus feathers

DinoGeorge wrote in a message dated 03/20/2001

> The reason I find the sulfur-excretion hypothesis attractive is that it 
> a proactive reason for the existence of feathers. Evolutionarily speaking, 
> animal cannot know that feathers will be good for insulation until after it 
> evolves them; thus insulation cannot be the >reason< for the evolution of 
> feathers.

It's the same for this hypothesis. How does an animal know that feathers 
would be good for sulfur-excretion before it evolves them?


Heinz Peter Bredow