There is a difference between being able to do it and actually doing it with sufficient frequancy to impact the population.
--- On Fri, 12/26/08, Michael Pollak <mpollak at panix.com> wrote:
>
> Chris, there is no doubt that once homo sapiens invented
> the spear-thrower (kind of a jai lai stick stuck on the back
> to increase leverage and thus range and power) it was a
> superpredator in the technical sense: there was no animal it
> could not kill and eat. And there is also no dispute that
> homo sapiens regularly hunted megafauna.
>
> When you enter recorded, i.e., written, history, you've
> already invented agriculture and stock raising. The
> calculus is different.
>
> Michael
>