As I understand it Goodall's studies were never in the wild, because she attracted the troop with piles of fruit to observe their behavior. So it's possible the

As I understand it Goodall's studies were never in the wild, because she attracted the troop with piles of fruit to observe their behavior. So it's possible their behavior changes when they receive a windfall of fruit(happier?), or can keep going back to the same spot for fruit (as opposed to foraging over their range), or when they have caloric excess (more hunting, mating, or war?)