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Re: Why did only avians survive?

What about the idea that only (some) animals under a certain size 
managed to survive? Any evidence &/or good arguments for this?

Peter Markmann

> pheret <pheret@pheret.com> wrote:
> of course, we don't know what form the ancestors survived as.  
and, if 
> you
> think about how many creatures haven't survived disasters, it's 
> surprising anything is still around.  and then there is the 
> of
> turtles, crocs, alligators, etc., who managed to just hang in there 
> survive as well.