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. 2019 Aug 13;116(34):16676–16677. doi: 10.1073/pnas.1905745116

Fig. 1.

Fig. 1.

Chimpanzees at the Chimfunshi Wildlife Orphanage Trust, Zambia, live in large forested enclosures, which provide ample opportunity to avoid group members, if preferred. More importantly, if preferred, chimpanzees seek close proximity to group members, even when space is abundant (detailed are two physically associating chimpanzees up in the second tree from the right).