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Re: The biggest dinosaurs
> Mark Shelly wrote:
> > I can?t help feeling that the plight of the elephants, mammoths, and
> > mastodons is not similar. Once their regional pockets they lived in were
> > gone (due to expanding deserts, glacier advances, expanding grasslands,
> > farming and shepherding man) these animals are/were doomed. <snip>
> > Mammals, once their teeth are warn away would die of starvation. Some
> > of the larger, like Elephants have more than 2 sets of teeth to help
> > overcome this limitation but even they can starve to death after their
> > last set is worn away.
> but this seems to ignore those island-dwelling dwarf elephants found
> near Southern California. If they were in this kind of surroundings
> long enough to become dwarfed (genetically) then the population must
> have been viable for quite some time in just such a situation as you
> infer. Why couldn't this have happened to sauropods?
> Betty Cunningham
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