Droppings from the roof rat middle is a little smaller than the poop from a norway rat and has tapered ends.
Roof rat droppings vs mouse droppings.
Droppings from the norway rat closest to the penny is the largest of the three and has blunt ends.
They may be of different forms or sizes.
A norway rat has capsule shaped feces while a roof rat has spindle shaped droppings and a house mouse has rod shaped excrement.
They are different sizes.
Mouse poop far right is much much smaller than rat droppings.
Roof rat droppings are very similar to the house mouse but much thicker.
You can see that a house mouse turd is like a small grain of rice even smaller than that often with pointy ends.
Look at the below photos.
With that being said the easiest way to distinguish between rat and mouse droppings is to analyze the size of the droppings and their shape.
Rat or squirrel droppings.
Rodent feces can carry harmful bacteria diseases and viruses including the hantavirus.
They are shaped like a sausage curved with ends that are rounded and pointy.
In comparison to rat droppings they are small with either one end pointed or both ends pointed.
When rat droppings are fresh they are soft and dark and feature a shiny wet surface.
Rat droppings are bigger than mouse droppings and measure around 3 4 th of an inch in length and around 1 8 th of an inch diametrically.
Typically the length will still be the same but the thickness will be much greater than the typical field mouse.
Medical articles and infographics.
Droppings are typically found around where these creatures eat.