[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: BAAD BCF



In a message dated 95-12-01 02:23:47 EST, ornstn@inforamp.net (Ronald
Orenstein) writes:

>Catch-22, George!  If protobirds became arboreal to escape predators, then
>we have to assume that the predators, or at least some of them, could not
>follow - otherwise why bother?  But if this  WAS effective, why fly?
>
>

Not Catch-22: Red Queen hypothesis.