Home / Health / Dogs Evolved New Muscles around Eyes to Better Communicate with Humans, Study Says

Dogs Evolved New Muscles around Eyes to Better Communicate with Humans, Study Says



Domestication shaped wolves (Canis lupus) into dogs (Canis familiaris) and transformed both their behavior and their anatomy. A new study, published in the Proceedings of the National Academy of Sciences, shows that dogs have the levator anguli oculi medialis, a muscle responsible for raising the inner eyebrow, which wolves do not. “The evidence is compelling […]



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