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Re: Mesozoic birds made insects shrink



On Jun 5, 2012, at 3:22 PM, "tyazbeck@comcast.net" <tyazbeck@comcast.net> wrote:

> ...it would make sense that even early birds could push similar-sized 
> pterosaurs to the edge of extinction...

How so? Mark Witton already covered the extensive counter evidence to this 
notion. 

Besides, just because two groups both fly means rather little for competition.

--Mike Habib