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 very old types of various kinds, and would fit into multiple categories. The following are dog types and subtypes. A single type of dog may have been developed for multiple sorts of work, so there is some overlap. Broad categories are listed first, then sub-types. For a list of individual dog breeds, see List of Dog Breeds. "also see" Pastoral Dogs and Guard Dogs Note 1. Every modern dog breed has a written "Standard", that describes in detail aspects of appearance. Standards are the basis of the sport of dog showing, as each dog is compared against the ideal of