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Re: Hadrosaur defense.

At 15.24 04/05/97 -0600, you wrote:
>What is believed to be the Hadrosaurs defense against predators?

As J. N. Wilford noted in his _The riddle of the dinosaur_ (1985),
Hadrosaurs did'nt have horns, pointed parts or armour-platings; they did'nt
run. They did meet in herds and take care of babies several months after
eggs' disclosing, mantaining them in well protected colonies. Maybe for this
reason Hadrosaurs were so succesful.
Eugenio Spreafico