Avian Flight was.. Re: Hot Strut flight, was Re: [wingstroke]

[Dinosaur Interplanetary Gazette <dinosaur@dinosaur.org>]

Is the idea that it is:

a) either/or

or

b) that it COULD be both either (relatively) simultaneously or sequentially 
(with
endless arguments about which came first)?

or

c) something else that I'm missing.

ES

Dinogeorge@aol.com wrote:

>
> Let me point out that there >are< only two possibilities: either avian flight
> developed in arboreal animals, or it did not. The cursorial theory falls into
> the "did not" category, but it is not the only theory in that category.

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