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In a message dated 95-11-28 10:56:22 EST, firstname.lastname@example.org (D.W.Naish)
>An analogy to all this could be the issue of gliding vs. flapping flight in
>small pterosaur. If the pterosaur can flap, that doesn't mean it won't
>On the other hand, the fact that it can glide doesn't mean that it's adapted
>it, specially when it has flapping adaptations! Hope this makes sense.. if
>I've just dug an even deeper hole for myself..
I think most birds and pterosaurs are/were adept at both styles of flying,
using each as appropriate.