Cats form meaningful social bonds with both humans and other animals — loss of companions causes behavioral changes consistent with grief that require sensitive management.
Feline grief is real, documented, and underrecognized in companion animal care. The historical view that cats are aloof and indifferent to companion loss has been substantially revised by behavioral research showing measurable, consistent changes in grieving cats. Owner awareness of these changes — and the ability to distinguish grief from medical illness — is a welfare priority. Management should focus on maintaining routine, increasing positive interaction, and allowing the cat to process social change at their own pace rather than forcing rapid replacement of the lost companion. Veterinary attention is warranted if grief behaviors extend beyond 4-6 weeks without improvement or if the cat stops eating for more than 24-48 hours.