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
Black-tailed prairie dog use a sophisticated system of vocal communication to describe specific predators. According to them, prairie dog calls contain specific information as to what the predator is, how big it is, and how fast it is approaching. These have been described as a form of grammar. According to Slobodchikoff, these calls, with their individuality in response to a specific predator, imply prairie dogs have highly developed cognitive abilities. He also asserts prairie dogs have calls for things that are not predators to them. This is cited as evidence that the animals have a very descriptive language and have calls for any