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vegan news veganism anti-specieism news animal rights news

Fauna

 

June 19, 2019 - NEW ATLAS

How dogs quickly evolved a unique facial muscle to better manipulate humans

How dogs quickly evolved a unique facial muscle to better manipulate humans

An extraordinary new study, examining the anatomical differences between dogs and wolves, has revealed our canine companions recently evolved a very small facial muscle allowing them to raise their inner eyebrow. This tiny muscle was not found in wolves, suggesting dogs rapidly evolved this extra tissue to better communicate with humans.

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