Gorillas Use Ladders in the Wild:
Unlike chimpanzees, which famously tinker with sticks and stones, wild gorillas are notoriously rare tool users. Captive gorillas regularly manipulate branches and twigs, but researchers have documented only two instances of the great ape using tools in the wild… Read more http://goo.gl/yWXEVA http://ift.tt/1ifvBGX
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