Small breeds of dogs are usually those that weigh less than 10kg as an adult and are less than 40cm tall. Small dogs are small and cute, making them ideal for city dwellers. Popular small dogs include poodles, Pekingese, butterfly dogs, and ultra-small Chihuahuas. Dog breeds are very diverse, with a total of 180 breeds. There are many criteria for classifying dogs, including size, large dogs, small and medium-sized dogs, and ultra-small dogs; personality traits, intelligent dogs and silly dogs, dogs that are close to people and fierce dogs.
