- Airedale terrier – Airedale is also known as “the king of terriers”, as they’re extremely friendly but also exuberant. Sometimes they can seem as though they don’t have an “off” switch, but they are amazing with kids, they learn very quickly, and they’re also hypoallergenic, which makes them one of the best guard dogs ever. During World War I, they earned a reputation for bravery and focus. If they sense you’re in threat, they will bark nonstop and even use their powerful jaws if necessary.
- Tibetan mastiff – This dog is bred in the Himalayas, and is one of the best guard dogs ever. He’s aloof, with a sharp mind, watchful, and a bit primitive. If you keep a Tibetan mastiff in your home, he might not let anyone else visit you.
- Caucasian shepherd – Also known as the Russian bear dog, Caucasian Ovcharka, this sweet-looking dog looks like a bear, and is one of the most popular Russian dog breeds. They can be extremely powerful and ferocious, especially when it comes to strangers. They were initially bred to kill wolves and hunt bears, so you can only imagine how tough they are.
- Akita – This Japanese mountain dog represents a symbol of good health and long life back in his native country, Japan. Akitas are extremely protective by nature, as they were initially bred to guard the Japanese emperor and his family. The first American to own an Akita was Hellen Keller, as she received the dog as a gift back in 1937.
- American Staffordshire terrier – Also known as an AmStaff, the American Staffordshire terrier is one of the many types of pit bulldogs. This dog is known to be affectionate, playful, and extremely energetic. They love to be mentally stimulated and have strong personalities. They aren’t the best swimmers, and they need to exercise a lot.
- Giant schnauzer – This bearded behemoth is made to protect its family and home, and its size and strength come in his help. The giant schnauzer loves to get constant attention and has an extreme need for both mental and physical stimulation.
