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Re: flight beginnings
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- Subject: Re: flight beginnings
- From: "Richard W. Travsky" <firstname.lastname@example.org>
- Date: Mon, 23 Mar 2015 10:04:01 -0600
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On 3/22/2015 10:25 PM, Tim Williams wrote:
My favored hypothesis is that the first birds (and their maniraptoran
kin) used their feathered forelimbs for control during brief descents,
rather than for ascents (which require thrust, as well as lift).
Do you mean by providing a cushion of air?