Roof Rats In Washington State

The roof rat also known as the black rat is an introduced non native rat and has been found along the southern atlantic and gulf coastal states from virginia to texas and throughout florida.

Roof rats in washington state.

Larger and broader than the roof rat norway rats can reach up to 11 inches as adults and their nose is blunter in shape than the roof rat. Old world rats include the norway rat fig. Adult roof rats measure 6 8 16 20 cm when combining their head and body length. The black rat rattus rattus also known as ship rat roof rat or house rat is a common long tailed rodent of the stereotypical rat genus rattus in the subfamily murinae.

There may be both norway rats and roof rats in the same area. Roof rats are long and thin rodents that have large eyes and ears a pointed nose and a scaly tail. Roof rats have soft and smooth fur that is typically brown with intermixed spots of black. The black rat is black to light brown in colour with a lighter underside.

They also are found along the pacific coast of california washington state and oregon. 1 also known as the brown rat sewer rat or wharf rat and the black rat also called the roof rat. The norway rat rattus norvegicus averages 16 inches in length includeing the animal s long tapered scaly tail that is slightly shorter than the combined length of the rat s head and body norway rats are grayish brown in color from top to. Both norway rats and roof rats are mostly active at night.

It likely originated in the indian subcontinent but is now found worldwide. Sewer rat street rat brown rat etc. It is a generalist omnivore and a serious pest to farmers because it. Their undersides are often white gray or black.

In our area the norway rat is the most common name used. Your typical roof rat is between 13 to 18 inches long.