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Researchers find that chimpanzees learned to walk in trees, not on ground
Link: https://www.upi.com/Science_News/2022/12/14/Chimpanzees-Tanzania-London/2871671043928/
Humans walking on two legs may have evolved from the trees and not from the ground, according to a new study by researchers at the University College London. | The study explored the behaviors of wild chimpanzees, the closest living relatives of humans, that were living in the Issa valley of western Tanzania. The study found that the Issa chimpanzees spent as much time in the trees as other chimpanzees, despite their more open habitat. More than 85% of walking took place in the trees, the researchers said. 💬 "We naturally assumed that because Issa has fewer trees than typical tropical forests, where most chimpanzees live, we would see individuals more often on the ground than in the trees," co-author Dr. Alex Piel said. "Moreover, because so many of the traditional drivers of bipedalism (such as carrying objects or seeing over tall grass, for example) are associated with being on the ground, we thought we'd naturally see more bipedalism here as well. However, this is not what we found."
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