The roof rat or black rat, Rattus rattus, also is one of the most common rats in San Antonio and the nation. GlobalP /Getty Images /iStockphoto One way to tell a Norway rat from a roof rat is ...

Norway rats are the most common rats, but roof rat populations are on the rise in the United States in the last 15 years, Siegel added. A rat is seen at a New York subway station.

Norway rats, pack rats and roof rats are living in the Valley, and where you live could determine which type you'll see. Regardless, you'll likely have a rat run-in at one point.

Norway rats and roof rats are the two that are most prominent. Norway rats are a lighter color and have shorter tails, while roof rats are darker and have tails about as long as their body.

Norway rats and roof rats are the two that are most prominent. Norway rats are a lighter color and have shorter tails, while roof rats are darker and have tails about as long as their body.

Most of the Tri-Cities calls are for roof rats, although there also are some calls about Norway rats, Miller said. Roof rats, which have tails longer than their heads and bodies, tend to be ...

A mass rat migration is quietly taking place across the suburbs of Sydney and the final destination is the roof in your family’s home, veteran rat catchers have warned.

Norway rats and roof rats are the two that are most prominent. Norway rats are a lighter color and have shorter tails, while roof rats are darker and have tails about as long as their body.

Sneaky Norwegian sewer rats are escaping their beloved complex tunnel systems, which have been flooded with water, and are seeking refuge in warm roof cavities of suburban houses. Inner West Pest ...