Answers are grounded in this paper and cite their sources.
Juvenile chimpanzees, carried around an outdoor field and shown up to 18 randomly placed hidden foods, remembered most of these hiding places and the type of food that was in each. Their search pattern approximated an optimum routing, and they rarely rechecked a place they had already emptied of food.
No takes yet. Share an insight, caveat, or question.
Emil W. Menzel (1973) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: