Many owners have preferences regarding the size of their dog, and there is a wide range of sizes available.
We take a look at some dogs that are not only going to be the most dominant members of your household but also going to be excellent companions to have around.
As a result of this, we are not often considering breeds that are going to be particularly challenging to train
or those that are happier out and about working because they are not always suitable for the role of a pet.
In the United States, German Shepherd dogs are the second most popular breed of dog by population.
According to Stanley Coren, a professor of canine psychology at the University of British Columbia,
they are also the third most intelligent breed and the third most intelligent breed overall.