Roof Rat Norway Rat

As an adult the norway rat can weigh between 12 16 oz.

Roof rat norway rat.

Another way to differentiate between the two rodents is size. As you might expect black rats are grayish black with a yellow belly. In addition to the damage to your property if you have an infestation there are several health risks to you and your family that the rats can create. Medium sized slender rodent with large ears and a long thin scaly tail generally longer than body.

The main difference between roof rats and norway rats is their behavior. Norway rats carry many transmittable diseases many of which are extremely serious. Medium sized chunky rodent with a scaly tail that is shorter than the body. Roof rats prefer to live above the ground in trees roofs elevated platforms etc.

Indoors runways appear as clean paths through dust or dirt. Grease marks from the oil and dirt of rats often appear along walls next to runways. Norway rats would be considered bottom dwellers and they prefer to live in underground burrows basements tunnels etc. With a body length of 6 8 inches long.

They differ in color as the norway rat is brown or reddish and the roof rat is black. The norway rat is larger and more aggressive than the roof rat. Many folks just refer to this species a black rat. Norway rats leave a hind foot track of about 3 4 1 inch.

Both roof rats and norway rats are considered vermin for good reasons. Roof rats are not as common as norway rats. A roof rat weighs between five and eight ounces and measures 12 18 inches long including its tail. The nose is blunt with small ears and small eyes.

Faster and more agile than norway rats they use their tails for balance on electrical wires much like squirrels. Splinter from the ninja turtles would be considered a norway rat since he lives in a sewer if this helps you get the picture. Roof rats are expert climbers and gain access to buildings by climbing onto roofs from trees or overhead utility lines. Roof rats have black fur with pale underbellies while norway rats have brownish gray coats.

Norway rats close relatives of the roof rats and also known as old world rats or brown rats are less common than roof rats but still a threat. Rats will also drag their tails leaving a mark between their feet tracks. A mouse s tracks will be much shorter. Also called the black rat ship rat or old english rat the roof rat measures 6 8 inches long and has a tail that s slightly longer than its body.

Norway rat rattus norvegicus also called brown rat. The roof rat has a longer tail more slender body larger ears larger eyes and a more pointed nose than a norway rat. They re typically found within 100 miles of the gulf coastline or the coastline of the western united states. Roof rat rattus rattus also called black rat ship rat.

Its fur is shaggy and coarse with variation in colors.