Dogs' eyes well up with tears of joy when reunited with their owners - CNN
- Dogs' eyes well up with tears of joy when reunited with their owners CNN
- Do You Believe Scientists, or Your Dog’s Crying Eyes? The New York Times
- Your Dog Might Cry With Happiness When He Sees You, Study Finds Gizmodo
- Dogs cry with gladness when greeting their humans Nature.com
- Dogs Cry Tears of Joy: Study The Scientist
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