The researcher believe that such preparation capacities may not be limited to orangutans.
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In an article published September 11 in the open access journal PLOS ONE (“Wild Orangutan Males Plan and Communicate Their Travel Direction One Day in Advance”), researcher Carel van Schaik and colleagues from the Anthropological Institute and Museum in Zurich, Switzerland present their findings after studying male and female orangutans in the Sumatran tropical forests.
The researchers set to discover whether or not great apes can plan for future needs in the wild. Previous studies have shown that great apes can plan for future needs, but that conclusion was reached based on the study of great apes in captivity.