Merging groups of chimps adopt vocal accents to fit norm

February 6, 2015 4:14 PM

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Though their grunts changed to suggest otherwise, the chimps couldn't shake their love of apples.

One of the more interesting observations involved a simple round piece of fruit -- an apple. Not all chimps like apples, and thus, different populations respond to different foods differently. The Swedish chimps like apples very much, and generally respond to their presence with a high-pitched sound...

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