In the research, it was revealed that dogs can cry with joy when they meet their owners. In the study, published in the journal “Current Biology”, Japanese scientists conducted a study examining the behavior of 22 dogs who reunited with their owners after a long time.
In the study, pieces of paper were placed under the eyes of dogs who were away from their owners for 5 to 7 hours before meeting with their owners. It was found that dogs whose behavior was followed only shed tears when they were together with their owners.
Experts determined that dogs, who reunited with their owners after a long time, could cry with joy at those moments. In addition, it was noted that the dogs were given hormones containing oxytocin to see if their tears were related to emotion, and thus the dogs’ tears increased. “We did not know that animals shed tears of joy when reunited with their owners,” said Takefumi Kikusui, one of the study’s authors. made its assessment.