Dogs and cats show behavioral responses to the loss of bonded companions that resemble grief, and supporting animals through bereavement requires acknowledgment of their emotional experience and patient management.
The grief responses of companion animals after losing bonded companions provide strong evidence that these are emotionally complex beings whose social bonds generate genuine attachment. The welfare implication is that companion animal loss — whether of a human owner, another animal, or a cross-species companion — causes real emotional suffering that deserves recognition and management. Owners who understand that their remaining pet may be grieving can provide appropriate support through routine maintenance, gentle attention, and patience rather than misinterpreting behavioral changes as disobedience or illness. The relatively rapid resolution in most cases is reassuring, but the suffering during the grief period is real and worthy of compassionate management.