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The aging profile of dogs varies according to their adult size (often determined by their breed): smaller breeds have an average lifespan of 10–15 years, with some even exceeding 18 years in age; medium breeds typically live for 10 to 13 years; and giant dog breeds have the lowest minimum lifespan, with an overall average of 8 to 13 years ...
The Australian Shepherd is a breed of herding dog from the United States. The name of the breed is technically a misnomer , as it was developed in California in the 19th century. It is believed to have its origins in sheepdog breeds from northwest Spain , as well as collies imported, alongside sheep, from Australia and New Zealand ; the breed ...
The MAS was bred first in the United States as a small herding and working dog. The Miniature American Shepherd (at that time still known as the Miniature Australian Shepherd) was first developed in the late 1960s by breeding what was thought to be small size Australian Shepherds, and by the mid-1970s the breed had reached its current desired size.
Poodles, Rottweilers, Doberman Pinchers, Papillons, Australian Cattle dogs, and Shetland Sheepdogs round out the top ten on researcher Stanley Coren's list of smartest breeds. But it's important ...
The Australian Kelpie, or simply Kelpie, is an Australian sheepdog capable of mustering and droving with little or no guidance. It is a medium-sized dog and comes in a variety of colours. The Kelpie has been exported throughout the world and is used to muster livestock, primarily sheep, cattle and goats.
The McNab Dog, also called the McNab Shepherd or McNab Collie is a herding dog that originated in Hopland, Mendocino County, Northern California. The McNab was bred to withstand the tough conditions found in California such as heat, burrs, foxtails , and rugged terrain.
An extinct breed similar to the Border Collie and possibly absorbed into that breed. An ancestor of the Australian Shepherd. Erect or semi-erect ears, dense fur, black with white only on face and chest. English Shepherd Developed in the U.S. from stock of Farm Collie type originally from Britain. Floppy ears, thick fur, red, black or black-and ...
1940. Overall life expectancy: 62.9 Women: 65.2 Men: 60.8 The United States began the ’40s on an upswing, with life expectancy up sharply from 58.5 years in 1936, when the nation was still ...