Date: Around 1993
Did the movie Jurassic Park accurately reflect the known behavior
Well, since we do not have an accurate record of that time period
(Man showed up about ten million years after T-rex thundered across the plains
of Antarctica *grin*) so we cannot say for certain WHAT the dinosaurs did.
However, since they were wild animals, we can extrapolate from their modern
contemporaries and from our knowledge of their individual anatomies what kind
of behaviors they exhibited. A predator with large claws probably hunts by
slashing and by piercing and holding on to prey. An herbivore with large
spikes growing on its tail probably used them to fend off attackers like a
spiked club -- I do not think it was much of a fashion statement.
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Update: June 2012