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Re: The "ideal" Eumaniraptoran arm motion

If the ancestral appendage-movement that originated flapping is flapping
itself we have a circular arguement.

-Betty Cunningham

Larry Febo wrote:
> It seems MUCH more likely, ...to me,
> that many of these "Avian" features are holdovers from a previous flying
> ancestor and are actually "proof" that these creatures are secondarily
> flightless.

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