Prairie dog itself more noticeable to the predator. Predators, though, seem to have difficulty determining which prairie dog is making the call due to its "ventriloquistic" nature. Perhaps the most striking of prairie dog communications is the territorial call or "jump-yip" display of the black-tailed prairie dog. A black-tailed prairie dog will stretch the length of its body vertically and throw its forefeet into the air while making a call. A jump-yip from one prairie dog causes others nearby to do the same. Ecologists consider this rodent to be a keystone species. They are an important prey species, being the primary diet
Breed type (dog) dog. These characteristics develop from a breeder's desire to create a distinct 'look' (or "style") within their line. Breeders create their own "style" within their line, being careful not to stray from "breed type". Health problems of dog breeds and objections to dog showing have been covered extensively in the following articles: Purebred dogs | Genetic disease | Criticism of dog showing | Dog | Dog breeding | List of dog diseases | Canine reproduction | Inbreeding | Founder effect. Also see articles about individual breeds for more on health issues of individual breeds. Breed type (dog) Breed type in