Bernese Mountain Dogs come from the farms of Switzerland's canton of Bern, where they pulled milk and cheese carts, drove cattle and guarded the farmyard. They're the only long-coated Swiss mountain dog, with a jet-black coat, rust markings, a white blaze and a white chest cross. Most adults weigh 70 to 115 pounds.
Berners are usually gentle, affectionate and eager to please, though many are reserved with strangers at first. Their lifespan is shorter than average, largely because of high cancer rates, and adopters should go in prepared for that. The heavy-boned build and thick coat suit a dog that enjoys cold, but the shedding is constant, and an adult that pulls on the leash is very hard to handle, so early training pays off.