Black-tailed prairie dog Black-tailed prairie dog The black-tailed prairie dog ("Cynomys ludovicianus") is a rodent of the family Sciuridae found in the Great Plains of North America from about the United States-Canada border to the United States-Mexico border. Unlike some other prairie dogs, these animals do not truly hibernate. The black-tailed prairie dog can be seen above ground in midwinter. A black-tailed prairie dog town in Texas was reported to cover and included 400,000,000 individuals. Prior to habitat destruction, this species may have been the most abundant prairie dog in central North America. This species was one of two described by the Lewis
Dog type fixes a name to a taxon. Dog fanciers use the term "breed type" in the sense of “qualities (as of bodily contour and carriage) that are felt to indicate excellence in members of a group”. "Breed type" is specific to each dog breed’s written standard. A dog that closely resembles the appearance laid out in the standard is said to be "typey". "Type" also is used to refer to "dogs of a well established line" an identifiable style of dog within the "breed type", usually from a specific kennel. In 2011, a study found that herding dogs were more trainable