Patterdale Terrier puppies tend to be bold and confident beyond their capabilities. The Patterdale is known as a working terrier, rather than a show dog. Typical of terriers, whose work requires high energy and a strong drive to pursue prey, Patterdales are very energetic and can be difficult to socialize. Though also kept as pets, due to being bred for high-intensity work, they may tend towards being too energetic for a sedentary household life. History and overview. This article needs ...