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I'm shocked that this could work on the Tundra. It was always my understanding that endurance running required a hot climate so that humans' superior cooling system could win out.

Animals on the tundra would probably have thick coats or other insulation and might be able to overheat themselves in the right conditions. A human could shed its clothing to cool down.

It's also possible that potential prey in this area is not well adapted for outrunning endurance hunters, which might make them easier to run down than animals that have been hunted by runners for thousands of years.

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