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>The main problem I've always had with the BADD/ground-up scenario is getting
>a 20-50 kg theropod with relatively small forelimbs to evolve into a 2-5 kg
>dino-bird with grasping wings. It _could_ happen, but in my opinion it is
>_far_ less likely than having a 2-5 kg dino-bird with grasping wings to
>evolve into a 20-50 kg theropod.

So what about a BADD/trees down scenario.  It may be difficult to prove, but in 
absence of fossils, all ideas have equal weight (except for the really 
outlandish ones, whatever that means).


"Don't panic!"