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Re: Evidence For a Feathered Velociraptor...
That's something I was wondering too --- like could the ratites be more
closely related to secondarily flightless dinosaurs... than to a bird
that had lost (or re-lost?) flight later.
On Sep 22, 2007, at 5:17 PM, Dora Smith wrote:
I have also wondered if living birds are truly all recently related
to each other, or if the traits we now know as defining birds evolved
more than once. If bird-like traits were so adaptive they might well
have evolved more than once or evolved in a bigger family than today's