There are 56 known species of rats in the world. [1] The best-known rat species are the black rat (Rattus rattus) and the brown rat (Rattus norvegicus). This group, generally known as the Old World rats or …

Nov 19, 2025 · rat, (genus Rattus), the term generally and indiscriminately applied to numerous members of several rodent families having bodies longer than about 12 cm, or 5 inches. (Smaller thin …

Jun 26, 2025 · Rats are more than just the creatures we glimpse in city alleys—they come in many fascinating types, from sleek black climbers to curly-coated pets and swamp-dwelling natives. This …

Jul 28, 2025 · While many people are familiar with the common brown or black rats, there are actually dozens of distinct species, each with its own characteristics, behaviors, and ecological roles.

Apr 27, 2023 · Rats are generally larger, with longer, thinner bodies and long legs. Here's everything you need to know about rats, their habitats, behaviors and more. How big can rats get? With nearly 60...

Rats are known for their intelligence, social structures, and ability to adapt to various environments. Their behavior is a mix of instinct and learned skills, which allows them to thrive in both wild and …

Rats are clever, sneaky little rodents that are built to survive just about anywhere. Whether they’re scurrying through city streets or hanging out in the countryside, these rodents know how to make …

Dec 2, 2025 · Rats are a small rodent that is closely related to mice and squirrels. They are extremely adaptive and are found all over the world where resources are available. This means that anywhere …

There are dozens of species of rats but black rats and brown rats are the two that most commonly live among humans. What are rats? Much like dogs, though not as beloved, rats are our...

Feb 12, 2025 · Rats are active throughout the year and an infestation can start at any time. Controlling rats can be difficult because they avoid new objects, including traps and baits.