Foragers are opportunists, and, to the Natufians, the warm Bolling Allerød period was an opportunity to eat well for much less effort. Their summers became balmier, their winters lost their brutal edge, it rained more frequently, and food yields increased so much that over the following centuries many Natufians cheerfully abandoned their ancestors’ once necessarily mobile existence in favor of a far more sedentary life in small, permanent villages.
