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I am claiming that. If a particular group displayed anomalous behavior compared to the species as a whole, then that isolated behavior could have been influenc

I am claiming that. If a particular group displayed anomalous behavior compared to the species as a whole, then that isolated behavior could have been influenced by humans, sure. But a species wide behavior, no way. There is no known mechanism for that to propagate and persist in a non human species. Also I think you were implying that the behavior would have been copied from humans, not e.g. indirectly influenced by human-caused environmental selection pressure. That does happen, of course, but it does not seem like what you were saying and it does not seem applicable here either.

ramblenode 3y ago
> But a species wide behavior, no way. There is no known mechanism for that to propagate and persist in a non human species. I totally agree that chimps didn't learn warfare from humans, but this statement is incorrect. Primates and cetaceans have both been shown to have a cultural memory. In theory, there is no reason a successful foraging strategy like breaking nuts with rocks couldn't propagate to the entire species.
- pfannkuchen 3y ago
  Simple cultural propagation between adjacent groups and between generations is pretty far from a species being a single connected cultural propagation network, which is what would need to exist for a species wide behavior to possibly be learned and not innate.