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
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