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Index][Thread Index][Subject Index][Author Index] Re: New
alvarezsaurid > Anything that allows an animal to control its
motion while >airborne, no matter how slightly, becomes a flight
characteristic or I guess it just depends on your definition of
flight. Me, I would say that anything that allows an animal to
control itself during gliding or parachuting is a gliding or
parachuting adaptation. >Flapping flight is a specialized form
of flight that evidently appeared >in the evolution of birds
well after numerous flight features had >evolved--indeed, it's
not yet clear whether _Archaeopteryx_ itself was >flapping
flier. I would certainly agree that many flight adaptations >for
reasons other than flapping flight; but I would tend to disagree
>evolved for reasons other than flight (for the most part), as I
have Why would it appear that flapping flight is a
characteristic that evolved late in bird evolution? I think that
it is quite clear that Archaeopteryx was