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Re: Phylogeny of Maniraptora
> I think you mis-spelled 'difficult'.
Wouldn't surprise me. I never could spell, and my typing is even worse.
> > When the Concorde is landing, generating extremely high CL by vortex
> > lift over its delta wings at high AOA -- by your definition, is it
> > flying, or parachuting?
> Flying, because it's energy stored internally to get its lift.
Thanks for the clarification. Then animals that are doing the same
(converting the kinetic energy gained during the descent back into lift)
are also flying.