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Study: Evolutionary Changes Prevent Interbreeding in Monkeys

A new study using facial recognition software on monkeys shows primates developed distinctive markings to help them avoid interbreeding. Different species of guenon monkeys have varied facial features, such as different colored eyebrow patches, ear tufts, nose spots, and mouth patches. Using 1,400 photographs of the faces of nearly two dozen guenon monkey species and a facial recognition algorithm called the eigenface technique, scientists from New York University and the University of...

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