Bobi, the Rafeiro do Alentejo dog, holds Guinness World Record for oldest living dog at 31.

Bobi, a purebred Rafeiro do Alentejo from southern Portugal, celebrated his 31st birthday, making him the oldest living dog in the world according to Guinness World Records. Bobi's owner, Leonel Costa, attributes his longevity to the calm and peaceful environment where he lives. Despite difficulties walking and declining eyesight, Bobi is in good health and has been enjoying attention from visitors. Costa planned a traditional Portuguese party with over 100 guests and a dance troupe to celebrate Bobi's milestone.