Re: The birds vs. the pterosaurs

[Ronald Orenstein <ornstn@home.com>]

At 09:32 PM 22/02/01 +0200, Henri Rönkkö wrote:
> Steve
> Doolittle wrote about the demise of the pterosaurs:
>  
> "Which brings me to this question: 
> If the dinosaurs evolved into birds, why
> did they do that when that ecological niche was already filled by
> the
> pterosaurs?  Because they could do the flying thing better? 
> Maybe the birds
> filled a niche that the pterosaurs couldn't?" 

Of course you could ask the same question about bats, which evolved after
the birds were well-established....

--
Ronald I. Orenstein                           Phone: (905) 820-7886
International Wildlife Coalition              Fax/Modem: (905) 569-0116
1825 Shady Creek Court                
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