The name Sennenhund refers to people called Senn or Senner, dairymen and herders in the Swiss Alps.

[1] It was assumed to have almost died out by the late 19th century, since its work was being done by other breeds or machines, but was rediscovered in the early 1900s.

Specific dog breeds were created by inbreeding, and puppies were given to neighbors and family members.

[1] It was assumed that the Greater Swiss Mountain Dog had almost died out by the late 19th century, because their work was being done by other breeds or machines, but they were rediscovered in the early 1900s.

[2] [5] to an advocate of the Swiss mountain dogs, geology professor Albert Heim (April 12, 1849 – August 31, 1937).

[3] In 1889 an International Dog Show was held in Winterthur, northern Switzerland; various Sennenhunde were exhibited.

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[2] Their eyes are almond-shaped, vary in color from hazel to chestnut – dark brown is preferred – medium-sized, and neither deep-set nor protruding.

[1] The shoulders of a Greater Swiss Mountain Dog are long, sloping, strong, moderately laid back, flat and well-muscled.

[2] [2] broad, strong and muscular hindquarters, and proper angles between the stifles and hocks are essential for a draft dog to provide powerful rear-drive during movement.

[16] The hock joint corresponds to the human ankle and first short bones in the foot; the dog does not walk on the heel as people do.

[17] [18] The Greater Swiss Mountain Dog is happy with an enthusiastic nature and strong affinity to people and children.

[20]: 2  Symptoms of splenic torsion include lethargy, abdominal distension and pale mucous membranes.

Evolutionary hierarchy suggests breeds should genetically cluster into groups sharing recent common ancestry.