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Re: The "ideal" Eumaniraptoran arm motion

-----Original Message-----
From: Betty Cunningham <bettyc@flyinggoat.com>
To: larryf@capital.net <larryf@capital.net>
Cc: dinosaur@usc.edu <dinosaur@usc.edu>
Date: Sunday, February 28, 1999 2:00 PM
Subject: 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.
>-- >

No, ...not "circular",...more like a precise motion in a strictly level
plane (well, maybe a slight figure eight), ...ideally suited for avian
flight (a very specific function, leaving very little room for error), but
(somehow) also an ideal motion for capturing prey!