Learn about the brave dogs who help guard livestock around the world! Wolf populations in the Rocky Mountains have reached recovery goals due in large part to an environmentally friendly method of predator control now in use on western ranches: livestock protection dogs (also called livestock guardian dogs).Although these dogs have been used around the world for thousands of years in primitive systems of livestock production, it’s only in the past four decades that they have been put to work in America in a systematic manner. Guardian dogs were imported to the United States, and their use has allowed the expansion of predator populations into areas where the animals were previously subject to lethal control.The use of guardian dogs is typical wherever livestock may encounter predators—from fox and coyotes, to wolves and grizzly bears. In Livestock Guardian Dogs, Cat Urbigkit tracks her journeys from a Wyoming sheep ranch to learn about working livestock protection dogs around the globe