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Venkatesh Rao's avatar

I once got curious and explored the topic of hunting efficiency to try and unpack what exactly “hunter gatherer” even means beyond our stylized romantic cultural tropes. The most efficient “classical” hunters are certain small cats with a 90% kill rate. Larger cats are 10-30%. That made me realize that the hunting vs gathering distinction is actually just a spectrum. As efficiency nears 100% the predator/prey asymmetry is so high, hunting is basically gathering. Think whales and krill, or small cats and mice vs lions and zebras. But this means the energy per kill is low so they have to spend more time hunting. This means it’s all on the same spectrum as vegetarian “gathering” feeders. Cows have to graze almost continuously because of the low energy/nutrient density. For them, food security risk turns into seasonal risk of drought etc. And farming is just a technological extension of the same spectrum. Point being, “Hunter gatherer lifestyle” is simply a matter of where the risk frontier is for a kill rate that matches our biological instincts. Humans are primates who learned to hunt a range of game. Our risk appetite ranges from near zero (gathering berries in a rich harvest) to low probability kills (hunting big game with primitive weapons). It’s also much more tunable and abstractable/reifable, which is why we’re happy to sublimate our instincts by taking “hunter” vs “farmer” sales jobs to match our personalities for eg. There’s an interesting theory that our adaptive trait is in fact being able to handle variability in food distribution and other factors, which is why humans have spread to so many geographies, including aquatic. See the paper by Potts on variability selection in hominins. I don’t know if this theory is true but I like it.

Andrew Velez's avatar

Isn't this every generations gripe to discover again and again? You could roll back the clock and write this article 100 years ago and basically be making the same thesis.

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