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Bred in order to assist humans with different tasks such as pulling sleds, protecting/guarding property, and even police and rescue jobs. Because of their large size, great strength, and the considerable amount of space they require, many of them are not suitable as pets for families.
St. Bernards, Siberian Huskys, Mastiffs, Akitas, Boxers, Great Danes
Newest group, created in 1983 by the American Kennel Club. Were previously considered part of the above group. These dogs are easily trained to help especially with farm duties, but require lots of space to run around and exercise.
Australian Cattle Dog, Australian Shepherds, Border Collies, Old English Sheepdogs
Dogs in this group are often used for hunting, fishing, and other field/outdoor activities. They have great instincts and are able to use their talents for activities like tracking. The dogs in this group also require a ton of exercise because they are regularly very active.
Brittanys, English Setters, Golden Retrievers, Pointers
These dogs were developed for purposes other than outdoor recreation, that's for sure. They vary in size, appearance, and definitely personality.
American Eskimo Dog, Dalmation, Poodle, French Bulldog
These are most typically used for tracking because they have a fantastic sense of smell. They also have great stamina.
Beagle, Basset..., Grey..., Norwegian Elk...
Most are very energetic and have very little patience and tolerance for other dogs. There are 25 different breeds recognized by the AKC. Dig into the ground to capture their prey.
Irish..., Australian..., Bull...
Dogs that fit into this class typically weigh between 4 and 16 pounds. They tend to live longer lives and are easier to keep in a smaller area because of their size.