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Re: large fossil birds




On Tue, 29 Nov 2005 20:20:43 -0500 Patrick Norton
<ptnorton@suscom-maine.net> writes:
> From: "Michael Habib" <mhabib5@jhmi.edu>
> 
> > The only catch is that azhdarchids didn't have particularly long 
> wings 
> > relative to their size.>
> 
> And my point is that the two groups are not directly comparable, 
> given the 
> different evolutionary constraints they inherited. The physics of 
> flight 
> apply equally to both, of course, but they each had to work with 
> what they 
> had. It's my belief that these evolutionary constraints resulted in 
> 
> different physical limits on size for the two groups.
> 
> PTN 


As is the comparison between bats and birds.

<pb>
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