Mexican prairie dog Mexican prairie dog The Mexican prairie dog ("Cynomys mexicanus") is a diurnal burrowing rodent native to Mexico. Treatment as an agricultural pest has led to its status as an endangered species. They are closely related to squirrels, chipmunks, and marmots. "Cynomys mexicanus" originated about 230,000 years ago from a peripherally isolated population of the more widespread "Cynomys ludovicianus". These prairie dogs prefer to inhabit rock-free soil in plains at an altitude of . They are found in the regions of southern Coahuila and northern San Luis Potosí in northern Mexico, where they eat herbs and grasses native to the plains
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