> Was there difference in hunter-gatherers in europe/asia/americas compared to africa? Why hadn't the ancient elephants, giraffes, etc been hunted to extinction?
One theory is that they gradually adapted as humans developed.
Once humans spread out to other continents the change was too rapid for the megafauna on those continents to adapt.
Also there were megafauna extinctions in Africa, just over a longer period of time. Then humans expand out of Africa, and within a few tens of thousands of years most of the extra-African megafauna are gone.
One theory is that they gradually adapted as humans developed.
Once humans spread out to other continents the change was too rapid for the megafauna on those continents to adapt.