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So youโre seeing signs of rodent activity in your Long Island homeโsome droppings here, some chewing there, a bit of gnawed-up wood, and maybe a few strange noises, but how do you know which type of pest youโre dealing with? Could it be mice, or worse…rats?!
Weโre going to hook you up with all the information you need to help you determine what sort of pest has made its way into your home, offer our advice for what to do about it, and even let you in on a few secrets that will help prevent future rodent issues.

One of the easiest ways to determine whether or not youโre dealing with a mouse problem or a rat problem is to catch your intruder in the act, and determine what the little (or big) critter looks like. Here are some basic traits of commonly spotted Long Island rodents:
Deer Mice are a common species of rodents Long Island homeowners deal with. These small critters measure about 5.5-7 inches long, including their tails. Theyโre often gray, brown, or black, and have a distinct pattern on their fur that looks similar to that of a deer, as well as white feet! Theyโre fast and agile, which adds to their similarities with deer.ย
As for the House Mouse, which is another very common rodent on Long Island, these mice are slightly larger than Deer Mice and are usually around 5-8 inches in length including their tails. House Mice are generally brown and white, with large ears and tails covered in a light layer of velvety fur. They also have distinctly small, beady, and black eyes.
The Norway rat, Long Islandโs most commonly spotted rat in homes has a blunt nose, as well as small ears and eyes. Adult Norway Rats have a body length of 7- 9 ยฝ inches and a tail length of 6-8 inches. The Norway ratโs tail is dark-colored on top and lighter-colored underneath. They have coarse hair that is brown and scattered with black hair, while their bellies and undersides are a lighter white shade.
Aside from their different physical characteristics, there are also signs of rodent activity that youโll likely see throughout your home which are clear indicators of whether or not youโre dealing with mice or rats.
Mouse droppings are small (less than ยผ inch long), dark, and pointed on both ends. You may find these droppings near food packages, in drawers or cabinets, or under your kitchen or bathroom sinks, where they may leave you up to 100 surprises per day.
Larger pests = larger poop. Rat droppings are similar, brown in color, though noticeably larger than those of mice. Norway Rats will usually leave up to 50 droppings per day. If you find droppings in your home that are around ยฝ inch long, itโs very likely youโre dealing with a rat problem.
Given a choice, mice would like to chow down on sweets, cereals, grains, and dried fruits! Research also states mice prefer to eat peanut butter, chocolate, hazelnut spread, and other sweets to cheese, which theyโre commonly associated with.
Norway Rats often feed on a variety of food sources high in protein, including other rodents, dead animals, fish, meat scraps, pet food, and other assorted foods like fruits, grains, and nuts that they find.
House Mice are commensal rodents, which means that throughout time, theyโve become partially reliant on humans for their basic needsโfood, water, and shelter. Because of this, House Mice are most often found nesting inside the walls of Long Island homes, up in attics, down in basements and crawl spaces, and even behind large home appliances like refrigerators.ย
Norway Rats are notoriously bad climbers, so theyโre most often found on ground levels of Long Island homes and other buildings. They like to live and nest near humans to keep in close proximity to food sources, which is why theyโre frequently found in basements, ground-level floors, under piles of debris, and inside crawl spaces.ย
To protect your home, family, and pets from mice this fall and winter, choose Suburban Exterminating to keep mice and rats out before they get in. And as always, if you need help determining how to tell if you have rats or mice, our team of experts are here to help contact us today!
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