Pugs have tightly curled tails that rest over their hips. Their tails are often referred to as "double curls" and are a defining characteristic of the breed.
The Basenji is known as the "barkless dog" because they don't bark like most dogs. Instead, they make unique yodel-like sounds. They also have a tightly curled tail.
Shiba Inus have a curled or sickle-shaped tail that arches over their back. This is known as a "Shiba scream" tail and is one of the breed's distinctive features.
The Rhodesian Ridgeback has a prominent "ridge" of hair along its back, which grows in the opposite direction to the rest of its coat. This ridge extends to the base of the tail, making it unique.
Australian Shepherds often have docked tails, but some are born with naturally bobbed tails. The natural bobtail is a genetic trait in this breed.
Pembroke Welsh Corgis have a naturally short tail, often referred to as a "bobtail." Some individuals in this breed have a longer tail, while others are born with a very short tail.
Irish Wolfhounds have long, tapering tails that are covered in a rough coat. Despite their large size, their tails are relatively slim and elegant.