What is the rarest dog breed in UK?

There isn't a definitive answer to what the rarest dog breed in the UK is, as there's no official registry that tracks this information. However, some breeds are considered extremely rare due to their small numbers and limited breeding programs.

Here are some examples of breeds often cited as being very rare in the UK:

* Azawakh: A sighthound breed from Mali, known for its athletic build and distinctive appearance.

* Otterhound: A scent hound breed with a unique webbed foot, originally bred to hunt otters.

* Lagotto Romagnolo: An Italian water dog breed with a distinctive curly coat, primarily used for truffle hunting.

* Norwegian Lundehund: A unique breed with six toes on each foot and the ability to turn its head almost 180 degrees, originally bred for hunting puffins.

* Thai Ridgeback: A short-haired breed known for its distinctive ridge of fur down its back, originating from Thailand.

It's important to note that the rarity of a breed can fluctuate depending on factors such as breeding programs, popularity, and availability. If you're interested in a specific breed, it's best to contact breed clubs or organizations for accurate information.