Cats form genuine social bonds with feline and human companions, and the loss of a companion can produce behavioral and physiological changes indicative of grief that require thoughtful owner response.
Feline grief is an underappreciated welfare issue partly because cats are culturally perceived as independent animals unlikely to form strong social bonds. Behavioral research increasingly challenges this view: cats in bonded pairs show synchronized activity patterns, mutual grooming, and proximity preferences that indicate genuine social attachment. When a bonded companion dies, the surviving cat may experience a period of behavioral disruption and altered affect that has characteristics consistent with grief. Owners who understand this can provide appropriate support — increased interaction, routine maintenance, and patience during the adjustment period. Premature introduction of a new cat before the bereaved cat has stabilized can add social stress to grief. Veterinary attention is warranted if appetite changes persist beyond several days. The welfare of bereaved cats is improved by owner awareness, attentiveness to behavioral changes, and willingness to seek veterinary guidance when needed.