World Largest Dogs

Yuki the Wolf Dog...More info: shywolfsanctuary.org | Facebook

 Caucasian Shepherd Dog 

They serve shepherds in the Caucasus mountains as guard dogs, defending sheep from predators, mainly wolves, jackals and bears. They are still successfully serving in this job, especially in Georgia, and the shepherd’s life is impossible without these dogs.More information : http://www.cowdca.org