3. St.Bernard

Height: 27- 35.4 inches

Weight: 64-91 kg

Standing at an average height of 27-35.4 inches and weight of 64-91 kg the St. Bernard is truly a gigantic breed. They are originally developed for rescue operations on the Alps. They have very strong and muscled body. This breed can travel through deep snow for miles.

The socialization and training is must for this giant-size dog. Without proper training the St. Bernard dogs can be destructive. On the other hand a well-trained St. Bernard dog shows incredible patience and friendly nature.

The St. Bernard dogs very devoted to their family. They can be quiet indoor dogs. St. Bernard dogs also get along well with children. But they are not so playful. Daily walking is must for this breed to keep them in good physical condition.

The St. Bernard dogs are also good watch dogs. This giant breed can be a great threat to the burglars.