The French Bulldog is a breed of domestic dog. In the 1800s, they were the result of a cross between Toy Bulldogs imported from England and local ratters in Paris, France. The breed is popular as a pet; in 2015, they were the fourth-most popular registered dog in the United Kingdom, and in the US, the sixth-most popular American Kennel Club (AKC) registered dog breed. They were rated the third-most popular dog in Australia in 2017.

The French Bulldog, like many other companion dog breeds, requires close contact with humans. If left alone for more than a few hours, they may experience separation anxiety. This is especially true when they are young, but persists into adulthood. Its anxiety may lead a French Bulldog to behave destructively and for its housebreaking to fail.

The French Bulldog is sometimes called a "Frog dog" or a "Clown dog." "Frog dog" is in reference to their wide round face and the way they sit with their hind legs spread out. "Clown dog" is because they are considered to be fun-loving, and indeed they have been described as the "clowns of the dog world." They are often kept as companions. They rarely bark. The breed is patient and affectionate with their owners and can live with other breeds.

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