The 차이와와 (Chihuahua) is a small dog breed known for its tiny size and big personality. Originating from Mexico, these dogs typically weigh between 2 to 6 pounds and stand about 6 to 9 inches tall. They are recognized for their large, expressive eyes and distinctive ears, which can be either erect or floppy. Chihuahuas are known for their loyalty and can be quite protective of their owners. They come in various colors and coat types, including smooth and long-haired. Despite their small stature, they are often confident and can be quite vocal, making them popular companions for many dog lovers.