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Re: Dinosaur behavior.



John Bois wrote:
> But why would an unrelated dinosaur aid aniother
> to protect her eggs?  I speculate that parental investment in an egg is
> too low for altruism to evolve except, perhaps, in close kin (like the
> Florida scrub jay).

Predator satiation and the safety in numbers idea.  Many species of birds lay 
their eggs in large groups.  This of course means that it is not altruism but 
protection.  If there are many nests on the beach there are fewer chances 
that the nest the predator gets will be yours.

Joe DAniel