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Re: Brachiosaur flexibility and face-shape (Was: Terra Nova: thoughts)
I have sometimes wondered whether perhaps adult sauropods, in at
least some lineages, NEVER bent their limbs or moved them far from
vertical. If that's so, then they would have avoided the enormous
joint stresses involved in lying down and getting back up again. But
they would have had to do without deep sleep. Then again, since
no-one really has much idea about sauropod sleep anyway, I wouldn't
I once read the idea that sauropods slept standing up somewhere long
ago. Of course, it may have been proposed by someone who didn't know
that all extant birds and mammals, even ostriches and zebras, lie down
_sometime_ in their sleep.
No need. Because unlike giraffes, sauropods had long necks.
I'm _so_ going to steal this.