Leonberger
The Leonberger, or the Leo, is a large, muscular and strong dog that was bred in Germany in the middle of the 19th century. Admittedly, it is quite rare, but extremely valuable and a special dog breed.

Detailed Leonberger Growth Chart For All Dog Lovers
Here is a Leonberger growth chart that will give you a deep insight into this dog's size and desirable weight for all developmental stages.