9. Great Dane
The Great Dane is a breed that can be dangerous because of its size. A male Great Dane that is fully grown can reach 86 cm in height and weigh 200 pounds. They will grow to be gentle giants if properly cared for. In 2003, a 2-year old girl in South Carolina was killed by the bites of a Great Dane.
10. Caucasian Ovcharka
The Caucasian Ovcharka, also known as the Caucasian Shepherd or Caucasian Shepherd Dog, was originally bred for the purpose of protecting livestock. It is important to train it and socialize him well because he is usually courageous, assertive and strong-willed. It could be the end of all living things in its immediate vicinity. This breed is a fierce protector and does not like strangers.
