On 04/11/2010 11:29 PM, Warp wrote:
>   This doesn't mean that birds did not evolve from theropods. It means
> that birds are not dinosaurs because they do not belong even to the same
> taxonomic class (aves vs. reptiles).

  Let me put that in another way. If birds were dinosaurs, then you
should be able to say:

  "Birds are dinosaurs, and dinosaurs are reptiles, hence birds are
reptiles."

  If birds were - indeed - dinosaurs, that *would* make them reptiles
because dinosaurs are classified as reptiles. However, birds are *not*
classified as reptiles. Hence birds are *not* dinosaurs.

  Just because birds *evolved* from dinosaurs doesn't change that.

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