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Re: Causality and dinosaur energetics



From: Jeff Poling <jpoling@dinosauria.com>

 >    We now turn to more of that nagging evidence.  There were polar
 > dinosaurs.  ... They were in darkness 6 months of the year.
 > HOW did they keep their body temperatures in that range?
 > Basking on rocks?  Nope, darkness half the year.  Perhaps they
 > migrated?  

I would like to point out that among living tetrapods, only endotherms
migrate that far! (In fact, to get to a sufficiently sunny place from
the Alaskan North Slope required a migration that would be one of the
longest even among living tetrapods).

swf@elsegundoca.ncr.com         sarima@ix.netcom.com

The peace of God be with you.