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Re: "Yale settles debate: Birds are dinosaurs"
There really is no hard evidence that says without a shadow of a doubt that
the flight style mechanism of the avian hand evolved for prey grasping,...
yet more often than not, it is treated as such. Logic points toward
arboreal activity as being just as likely a possibility, and some see it as
being even more so.
I agree. The predatory stroke --> flight stroke hypothesis is by no means
set in stone. Nevertheless, I think an arboreal origin for the begining of
the flight stroke is entirely compatible with a theropod ancestry for birds
(as supported by cladistic analysis).
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