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Re: So-called Sickle Claws

        Has there been any informed speculation that some of these
sickle-claw dromeosaurs may have led an alpine lifestyle?  I'm just
wondering if the claw would be more of a help or a hindrance on rocky
hillsides.  Or maybe they were just one of nature's "nice but not
necessary" adaptions, like saber teeth in felids.


        "We weren't trying to get children to start smoking, Senator.  We just
wanted to inform people that if they didn't switch to our brand of
cigarettes, Santa wouldn't bring them any presents."