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Re: Pro(to)avis
On Fri, 16 Sep 2005 10:50:07 -0500 Tim Williams
<twilliams_alpha@hotmail.com> writes:
> One of the encouraging trends in recent years
> is that,
> when it comes to the origin of avian flight, we have steered away
> from the
> traditional 'trees-down' versus 'ground-up' dichotomy. Rather, the
> first
> birds (and their immediate forbears, and their sister taxa) may have
> divide
> dtheir time between the ground and the trees (or other elevated
> substrates,
Perhaps the new view should instead be considered a third hypothesis,
rather than being considered a replacement that falsified the earlier two
hypotheses.
<pb>
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