Wild chimps learning to use tools from each other may hint at humanity’s past

See the original posting on The Verge

Under a tree in Uganda’s Budongo forest in 2013, Catherine Hobaiter first mentioned the strange chimp behaviors she’d seen two years before. Hobaiter, a chimpanzee researcher at the University of St. Andrews in the UK, told fellow primatologist Thibaud Gruber that she had witnessed a group of chimps using a mix of moss and leaves to soak up drinking water from a watering hole in the forest. In 20 years of research, no one had observed this behavior in this community of chimps, and yet Hobaiter had managed to capture the behavior on video — numerous times.

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