Photo: Jeff J. Mitchell/Getty Images
What better way to observe primates’ natural behavior than by giving them a new toy that doubles as a monitoring device? Researcher Betsy Herrelko of the University of Stirling, in Scotland, got a wealth of footage showing the inner workings of chimp society when she left a chimp-proof video camera in an enclosure at the Edinburgh Zoo. The animals gave Herrelko an unprecedented chimp’s-eye view of the world.









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