Dogs can cry when owners come home, study suggests
Related: Increase of tear volume in dogs after reunion with owners is mediated by oxytocin (Current Biology)
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Source: BBC
Dogs can cry when owners come home, study suggests
By Jasmine Andersson
BBC News
Dogs can cry tears of joy when they are reunited with their owners, a small study has found.
Canines may be genuinely thrilled when they see their human companions after a long period of absence, Japanese researchers have said.
The tears are believed to deepen the bond between dogs and their owners.
The study, based on the behaviour of 22 dogs, looked at the reactions of dogs who were reunited with their owners and with other people they knew.
To test their theory, academics at Azabu University and Jichi Medical University placed strips of paper under the eyes of the dogs during normal interaction with their owners and a minute before they were reunited with them after five-to-seven hours of separation.
They discovered when the dogs saw their owners, it was the only time they shed tears. ...
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Read more: https://www.bbc.com/news/science-environment-62645859
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