A cute video of a prairie dog grooming a golden retriever at a home in Salem, USA on Thursday.br br Prairie dogs are a type of ground squirrel, found in the United States, Canada and Mexico.br br They were given the name "dog" because of their warning call which sounds similar to a dog's bark.br br Although prairie dogs are kept as pets they can be difficult to care for.br br Every year they go into a period called rut and their personalities can change drastically, often becoming defensive or aggressive.