Chimpanzees Use Least-Cost Routes to Out-of-Sight Goals

Samantha J. Green, Bryan J. Boruff, Tyler R. Bonnell, Cyril C. Grueter

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Green et al. provide the first evidence that chimpanzees are able to walk least-cost routes in a variable energy landscape. Least-cost modeling predicted the costs and sinuosity of chimpanzee paths better than local knowledge and straight-line null models. Results suggest chimpanzees use spatial knowledge of their landscape to optimize travel.

Original languageEnglish
Pages (from-to)4528-4533.e5
JournalCurrent Biology
Issue number22
Early online date1 Oct 2020
Publication statusPublished - 16 Nov 2020


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