A new study shows that when given human attention, dogs will produce a wider range of facial expressions.
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Dog faces don't just make for great internet videos—they can also teach us about the evolution of dog domestication. Scientists gauged dog reactions while being watched by a human versus when the human had their back turned. While being watched, the dogs used a wider variety of facial movements. Dogs have lived alongside humans for 30,000 years, and may have evolved this ability to better communicate.
Read more in "Dogs Show 'Sad Puppy Face' More Often When Being Watched."
Dogs Change Facial Expression When Humans Pay Attention | Nat Geo Wild
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