Here are the top 5 dog breeds whose barks can send chills down your spine! From German Shepherds to the mighty Caucasian Shepherd, these dogs have a roar that could even remind you of a lion. Which dog’s bark do you find the most terrifying? Let us know in the comments! #DogBreeds #DangerousBark #DogSounds #CaucasianShepherd #Pitbull #Rottweiler #DogLovers