Companion Animal Grief and Loss | Animal Welfare Hub

The grief experienced by companion animals following the loss of a bonded companion or human is increasingly recognised as a genuine welfare concern requiring active support from owners and veterinary professionals.

Key Facts

Dogs and cats form genuine attachment bonds with both human and animal companions
Surviving animals commonly show behavioural changes following loss including reduced appetite, vocalisation, and altered sleep
Some species including elephants, corvids, and cetaceans show prolonged grief responses to the loss of social partners
Introducing a replacement animal too quickly can cause conflict and stress rather than support
Grief responses typically resolve within weeks to months but can persist longer in some individuals

Welfare Considerations

The grief of companion animals following loss is not sentimental anthropomorphism but a well-documented behavioural response that has welfare implications requiring active management. Surviving animals may stop eating, become less active, vocalise repeatedly, or search for the absent companion. These responses reflect genuine emotional distress that affects physical health if prolonged. Supporting grieving animals involves maintaining routine, providing extra human attention and interaction, avoiding forcing new social relationships before the animal is ready, and in severe cases consulting a veterinary behaviourist. The euthanasia decision for terminally ill animals may appropriately consider the impact on surviving bonded companions.

What You Can Do

Recognise that behavioural changes in surviving animals following loss are signs of grief
Maintain routine and increase positive human interaction for grieving animals
Consult a vet if a grieving animal stops eating for more than 48 hours
Allow surviving animals to adjust in their own time before introducing new companions
Access veterinary behaviourist support for severe or prolonged grief responses