Fleas that feed on the rodents.
Picture of roof rat droppings.
The following picture illustrates the difference between droppings from a rat and mouse using a penny as a reference point.
Roof rat droppings pose serious health risks to homeowners.
Roof rats and norway rats are the two rat species most likely to enter homes.
Droppings from the norway rat closest to the penny is the largest of the three and has blunt ends.
Roof rat droppings are very similar to the house mouse but much thicker.
While the signs of roof rats and norway rats are similar there are a few differences that aid in exclusion and removal.
Typically the length will still be the same but the thickness will be much greater than the typical field mouse.
And also because the norway rat can quickly adapt to the changes in the temperature compared to the roof rats.
These paths mark the routes they travel between food sources and nests.
If they have inch long four sided shapes and have blunt ends you have a brown rat to kick.
With some size variance.
Roof rats leave behind the most evidence of their presence in elevated places where they prefer to nest.
You have already learned about different type rats poop their size color to identify the right rat in your area.
Look for 1 2 inch long curved droppings with pointed ends to be sure that roof rats and not another type of rodent are the culprits.
On the basis of the tail size.
The diet of the roof rats is entirely different from their brethren species.
Skinny pellets usually about 3 8 inch long and 1 8 inch in diameter rounded tips and maybe slightly bulging in the center.
Their droppings are 12 to 13 mm with pointed ends whereas norway rat droppings are 18 to 20 mm and capsule shaped.
Droppings from the roof rat middle is a little smaller than the poop from a norway rat and has tapered ends.
Roof rats being the smaller sized ones with a considerably slender body.
Droppings droppings are a good indicator of roof rat activity.
Roof rats possessing a long tail.
If you see these types droppings in your attic or yard they were made by a rat.