Are brown rats dangerous?

  • MickAdmin
  • February 20, 2023

Are brown rats dangerous? This is a common question among curious rat pet owners. While there are a few misconceptions surrounding this rodent species, it’s important to note that they can be friendly and tame when properly handled and cared for. So let’s take a closer look at how to better understand brown rats and their behavior.


Are brown rats dangerous?


Brown rats, also known as Rattus norvegicus, are a species of common rodent found throughout much of the world.

They are often linked to the spread of disease, and most people consider them a pest due to their habit of scavenging for food in urban areas.

While brown rats do not typically seek out hostile encounters with humans, they can become dangerous if cornered or threatened.

In particularly dire situations, they may bite or attack humans if provoked. Given this potential danger and nuisance, taking precautions around brown rats is essential.

Eliminating access to human dwellings by taking measures such as blocking off basement windows and storing food securely can help reduce the threat posed by these rodents.


Are brown rats aggressive?


Brown rats are generally not thought of as aggressive animals. In most cases, they will flee when frightened or if disturbed by loud noises or sudden movements rather than confront what has startled them.

In some cases, however, brown rats may become territorial and hostile to new creatures entering their space; this is especially true for pregnant female rats, who may become fiercely protective of their nest.

Although it is unlikely that a brown rat would attack or bite humans without provocation, certain behaviors can trigger aggression in the animal, triggering defensive reactions and possibly, resulting in harm.

As such, caution must be taken when interacting with wild brown rats to ensure all parties remain safe.


The Science of Brown Rats


Brown rats, or Norway rats, are also standard and have been around for centuries. They come in shades of brown, from dark chocolate to sandy yellow.

These species are resilient and agile, often able to easily squeeze through small spaces. They usually grow 8-10 inches long and weigh about 11 ounces when fully grown.

Unlike most other rodents, which are nocturnal creatures, brown rats can be active during the day or night, depending on the environment.

However, their activity level does decrease during colder months as they need warm environments to survive.

Furthermore, they have poor eyesight but an excellent sense of smell that helps them find food sources in the wild.



Overall, brown rats can make excellent pets if you give them the proper attention and care needed to thrive in captivity. When kept safe from potential threats such as predators or extreme temperatures, these animals can be pretty friendly and curious—making them great companions for those willing to give them a chance.

You must research all aspects of owning one before you decide on getting one so that you know what kind of commitment it takes to ensure your pet’s health and safety over time. Doing this can provide a rewarding relationship between yourself and your new pet.

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