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 …

Dec 26, 2025 · Rats are generally slender with a pointed head, large eyes, and prominent, thinly furred ears. They have moderately long legs and long, sharp claws. The bald soles of their …

Rats are one of the most adaptable and widespread mammals in the world. These rodents are found on every continent except Antarctica and have thrived alongside humans for centuries.

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 …

Apr 27, 2023 · Here's everything you need to know about rats, their habitats, behaviors and more. How big can rats get? With nearly 60 species of rat discovered so far, these rodents come in …

Often misunderstood, rats are among the most adaptable and intelligent creatures on Earth. These resourceful rodents play a significant, yet often unseen, role in ecosystems worldwide …

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...

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 …

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 …

Rats are various medium sized rodents, similar in appearance to mice, but larger. "True rats" are members of the genus Rattus, the most important of which to humans are the black rat, Rattus …