Facts about their color, size, nests, etc. Hire the Best Rodent Control Services in Henderson, NV on HomeAdvisor. Request ADA document remediation for individuals using assistive technology devices In the Desert has listings for a lot of the rodents that are found in the desert southwest and even at higher elevations. The strange fact is they are not native to this part of the country. In The Desert ... Rock squirrels can be found in Southern Nevada, Utah, Colorado, Arizona, New Mexico, and Western Texas. The roof rat (Rattus Rattus) gets its name from its tendency to be found in the upper parts of buildings.According to the Southern Nevada Health District, roof rats have been documented in the Las Vegas valley since 1990. Compare Homeowner Reviews from 7 Top Henderson Rodent Control services. Old-World or European rats, roof rats (Rattus rattus) and Norway Rats (Rattus norvegicus), have been living in association with human populations for centuries. Get Quotes & Book Instantly. Call the experts at Orkin for help identifying infestation. Identify the different types of rats. ROOF RATS AND NORWAY RATS IN THE LAS VEGAS VALLEY Roof rats and Norway rats have been seen all over the Las Vegas Valley from Boulder City to Mountain’s Edge. For information on the Rodent Surveillance Program, visit the Zoonotic Diseases webpage. What are roof rats? Rat identification. Schedule service today. Possibly the roof rats come to Las Vegas from Arizona – arriving here in palm trees or other types of plants. The head and body of the Cotton Rats range in length from 13.3 to 21.3 cm. Once transported into a new geographic area, they generally breed quickly, since they have adapted to living in urban areas.