Contact: Catie Lichten
Society for Experimental Biology
Caption: Standing in for an orangutan, a parkour athlete sways and jumps from a model tree. Researchers measured his energy expenditure during this and other activities to gain insights into why orangutans spend so much time up in the trees.
Credit: SRL Coward and LG Halsey
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Related news release: Urban athletes show that for orangutans, it pays to sway