"'Canids are highly social and communicate using an abundant array of facial expressions.
...
'These communication methods might play an important role in their communication with humans.'
Earlier this year psychologists in the United States concluded owners were able to detect emotions in the facial expression of their pets.
Dr Tina Bloom, from Walden University, in Minneapolis, found that people could detect happy, sad, surprised and frightened expressions in dogs.
Her findings have suggested that humans have developed a natural empathy with dogs after evolving side by side for thousands of years."
Read more: http://www.dailymail.co.uk/sciencetech/article-2381526/Japanese-research-finds-dogs-use-facial-expressions-display-emotions.html#ixzz2c1KxN6Hy
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