4. The Presa Canario

The Biggest Guard Dog Breeds On Earth
Height: 22 to 26 inches tall / Weight: 83 to 130 pounds

Presa Canarios are one of the largest guard dog breeds in the world. They were originally bred in the Canary Islands to be working dogs on farms and ranches. Presa Canarios are large, muscular dogs with a short, thick coat.

They come in brindle, fawn, or black coloration with a variety of markings. These dogs are loyal and protective, making them excellent guard dogs. However, they require extensive socialization and training to prevent them from becoming aggressive.

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