Bobi's owner said the dog had lived a record-breaking 31 years and 165 days old when he died in October 2023. But a review by Guinness World Records found that evidence of his age was inconclusive.

The Portuguese pooch was said be 31 years when he died last October, far outlasting dogs of the same breed, which often live half that age. Now, experts have doubts about the validity of those claims.