38 World's Most Dangerous Dog Breeds You Must Be Aware Of

1. Caucasian Shepherd

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The Caucasian Shepherd, also called the Caucasian Ovcharka, is a huge breed that can reach up to 200 pounds. For anyone unfamiliar with such large dogs, their size alone is intimidating. Yet, with proper guidance, this dog can be a loyal companion. The average life span for a male is 10–12 years, and the breed comes from Russia and other parts of Europe. Bred to guard and herd livestock, the Caucasian Shepherd is strong and confident. Their size helps them with these jobs, but without good training and socialization, they may become aggressive and dangerous.