Researchers find dogs lick their mouths 'to communicate' when they see an angry human face
They may not have the ability to speak our languages directly, but over thousands of years of domestication, dogs have likely developed certain ‘signals’ to help them communicate with humans.
When they’re confronted with an angry face, a new study has discovered that dogs tend to their lips as an immediate response – and, this was more often the case when a human was involved, instead of another dog.
Animal behaviour researchers say this may be linked to the dogs’ perception of human emotions, acting as a way for them to communicate in response to visual cues of anger.
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