The above animation show individual Hadza living in camps and moving into a new camp each year. The blue points are Hadza who contribute more than half of their own honey to the public good, and the yellow points are Hadza who contribute less than half of their own honey. We see that Hadza are changing who most of their campmates are each year. Hadza also change how much they contribute each year to what their campmates are contributing.
- UPenn Almanac
April 25, 2023