Unlike the primate hand, the elephant's grasping organ is also its nose. Elephants use their trunks not only to reach food but also to sniff and touch it. With their unparalleled sense of smell, the animals know exactly what they are going for. Vision is secondary.

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About Frans de Waal

Frans de Waal was a 20th-century Dutch primatologist and ethologist. Franciscus Bernardus Maria de Waal was a Dutch-American primatologist and ethologist. He was the Charles Howard Candler Professor of Primate Behavior in the Department of Psychology at Emory University in Atlanta, Georgia, director of the Living Links Center at the Emory National Primate Research Center, and author of numerous books including Chimpanzee Politics (1982) and Our Inner Ape (2005). Read more on Wikipedia →

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