Dogs experience a form of mourning when another dog in the household dies

Research finds behaviour changes in dogs who have lost a canine companion

The loss of a loved one can have a profound impact on humans, affecting everything from sleep patterns to appetite. Now researchers say they have found similar behaviour changes in dogs who have lost a canine companion.

While the team say it is not clear if the findings can be described as grief, they say the work potentially indicates an overlooked welfare issue.