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Re: cursorial flapping -Reply
>The only part of Greg Paul's (and others) argument that I don't quite
>understand is this: if powered flight developed in a small arboreal
>theropod as a means of jumping from lower to higher branches, then the
>long limbs, long neck, and wide wingspan seem ill-suited to an
>environment of tree branches. It's crowded up there, and I can't imagine
>a full-fledged flyer having enough room to develop the flight apparatus in
>such a confining environment with the potential for collisions between a
>flyer and the branches. It seems much more likely to me that the flight
>apparatus developed in an environment free of spatial limitations with
>room to maneuver, and was an extension of the running, leaping,
>pouncing approach to acquiring prey.
Take a look, sometime, at how long the neck of the average bird actually is.
Also study something like a chachalaca or a hoatzin, birds that strike me
as physically not unlike what Archaeopteryx may have been like. Their long
necks and legs do not hamper them in trees at all.
Ronald I. Orenstein Phone: (905) 820-7886 (home)
International Wildlife Coalition Fax/Modem: (905) 569-0116 (home)
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