Video: The feline Fonz gives owners the thumbs-up
A polydactyl cat who has learned how to give his owners the thumbs-up has become an internet star.
The video, posted on YouTube on Wednesday, called 'amazing cat gives thumbs-up', has been watched over 160,000 times.
In the clip the cat, called Jimmy, can be heard being coached by his female owner to perform his party trick of raising the extra toe on his front paw.
Most cats are born with a total of 18 toes, five toes on each front paw and four toes on each hind paw.
Polydactylism is a genetically inherited trait that causes cats to be born with extra digits.