The Caucasus Mountains area is rough, mountainous country. The herdsmen of the steppes and mountains needed a dog sturdy enough to stand up to both the predators of the region and the harsh winters.

Just like small dogs sometimes tend to have the Napoleon complex, where they're unaware of their size and usually have a big bark and no bite—like some Chihuahas—some big dogs are the opposite, also ...

They can grow to a massive size - and are programmed to protect against the fiercest predators. Now huge dogs bred for hunting Russian bears are going on sale in Northern Ireland for the first time.

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Meet the rescue dog who has the proud tag of World's Biggest Puppy. The 10 month old, named Tzar, weighs a whopping 10 stone at just 10 months old. He is a Caucasian Ovcharka and was handed to a ...