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 …

Nov 19, 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 …

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 …

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 …

Nov 5, 2025 · While many rodents are referred to as "rats" due to similarities in appearance and behavior, not all belong to the Rattus genus. The distinction between rats and mice often …

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 …

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.

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...

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 …

Dec 1, 2025 · DSNY announced that rats are on the run: Rat sightings reported to 311 have declined for 12 straight months compared to the same month a year earlier.