Another gentle giant, the Bernese mountain dog is a calm ... are medium-to-large in size and may be black, yellow, or chocolate. Don't let this breed's massive size fool you; the gentle giant ...

They have an inherently sweet and loyal disposition, are easy to train and are known for being one of the smartest dog breeds. This breed comes in three primary colors: yellow, chocolate and black.

There are hundreds of dog breeds − each with their own personality and temperament. But exactly how many are there? Different kennel clubs across the globe are responsible for registering breeds.