A group of bonobo play together at the Belgium’s Planckendael zoo on August 18, 2011. A female bonobo has been labelled the planet’s “smartest ape” after beating chimpanzees distracted by male rivalries, in a contest organised by Belgian zoos. Planckendael Zoo put its bonobos up against Antwerp Zoo’s chimps earlier this month, just as the latest incarnation of the Planet of the Apes movies was to hit big screens thw world over. A series of tests saw the apes challenged, for instance, to extract nuts or oranges from hiding places using branches, said Jeroen Stevens, primatologist with the Royal Society of Zoo-ology of Antwerp, which runs the two Flemish zoos. AFP PHOTO / GEORGES GOBET
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