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Re: Stegosaurus Defense

Of course, one could imagine that Allosaurs learned by observation: they see
daddy get spiked and decide that plate-backed things with spikey tails are best

Perhaps allosaurs were cleverer than that. Maybe big theropods were intelligent enough to figure out intuitively (as opposed to empirically - and painfully) that spikes = sharp = hurt = bad. In the same way, an allosaur wouldn't need to observe another allosaur falling off a cliff to know it could be very hazardous to one's health.

Tim ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com