Web - A photo of two cats that look almost identical went viral on the web. Many viewers were particularly fascinated by one small detail.

The owner of the two velvet paws shared her photo on Reddit, where the post prompted many users to comment.

The picture shows a mother cat and her kitten. Both cats look almost identical.

However, the community reacted to one detail in particular, which the owner mentioned in passing.

Although the cat's son is only nine months old, he already towers over his mother. This is astonishing, as kittens of this age are still considered kittens.

"They just grow so fast," reacted one Reddit user in amazement. Another added: "She must be proud of her big boy."

The visual resemblance of the pets also surprised many users. The only way to tell the cats apart beyond doubt is a dark patch of fur on the kitten's head.

"She has exactly the same hair, but she's paler," one viewer noted in reference to the mother cat.

When another user commented that it could have been the father's genes that made the kitten so big, the owner replied: "I know the father, he's quite small, lol."

Cats only reach their full mental development and ability to bond at around two years of age. Growth spurts come earlier or later, depending on the cat. Male cats are usually slightly bigger than females.

According to the mistress of the two pets , the little boy only needed about six to seven months to outgrow his mother.