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Re: bcf vs. badd
Re: George's recent posting:
> What I'm after is something that would _drive_
> proto-birds into the trees, and thence into the air.
What about egg predation? Animals who could utilize more secure
nest sites (maybe trees, of course, but what about cliffs and
such) would be able to produce more descendants. Maybe flight
evolved not in forests, but along cliff faces.
And thanks, DG, for all the wonderful responses.
Colorado School of Mines