Dogs eyes evolved to appeal to humans
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Researchers have found that dogs have evolved muscles around their eyes, which allow them to make expressions that particularly appeal to humans, according to BBC.
A small facial muscle allows dog eyes to mimic an “infant-like” expression which prompts a “nurturing response”. The study says such “puppy eyes” helped domesticated dogs to bond with humans.
Previous studies have shown how canine expressions can appeal to humans, but this research from the UK and US shows there has been an anatomical change around dogs’ eyes to make it possible.