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Re: The birds vs. the pterosaurs

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
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