Do livestock guardian dog breeds bark excessively? Here is everything you need to know about why your dogs bark, when you need your dogs to bark, and what you can do about barking if it becomes a problem. Whether you have a breed that barks a lot, like Great Pyrenees, Anatolian Shepherds, and Kangals, or a breed that barks less, like Spanish Mastiffs and Polish Tatras, you can can work with your dogs to get them barking only at the right things and at the right time!