They smallest dogs are Chihuahuas.
Chihuahuas
well not the Chihuahua technically isn't the smallest animal but it is the smallest dog out of the dog family.
It depends but I think they are the smallest breed of dog.
No, they are the smallest dog in the world.
No. Teacup Chihuahuas are.
Right now, the smallest dog is a chihuahua and is 4.9 inches tall. The smallest dog in the whole world is a Yorkie the is 2.8 inches tall.
Mostly Chihuahuas, but Yorkshire Terriers are small (the smallest dog in history was a Yorkie which was 4 inches tall).
Chihuahuas
This is an example of canine minification.
Chihuahuas are the smallest recognized breed of dog. It's the only "natural" toy breed, that means that the Chihuahua is naturally small, it's hasn't purposely bred as the smallest breed.You may can find more information on other miniature toy dog breeds at http://www.dogbreeds-and-doggie.com/miniature-toy-dog-breeds.htmlGood luck i hope you find what your looking for!
No. Chihuahuas are a very common breed of dog. They are not in danger of extinction.