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RE: Phylogeny of Maniraptora



Referring to the hypothesis that a forelimb-flapping _Microraptor gui_ may
have held its amply feathered hind limbs in an inverted "V" position, James
R. Cunningham wrote:

"Usually an extremely high drag position.  What would be the animal's
primary purpose for expending the extra energy to maintain level flight?"

I respond:

I don't know.  If you were _Microraptor gui_ back in the Early Cretaceous,
how would you propose locomoting with your feathered appendages?

-----Ralph W. Miller III
     ralph.miller@alumni.usc.edu