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 …

6 days ago · 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 narrow hind feet …

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.

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 belong to the family Muridae and the genus Rattus, which includes well-known species like the black rat (Rattus rattus) and the brown rat (Rattus norvegicus). With their strong teeth, sharp senses, …

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 and boast a …

Dec 2, 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 hinges on …

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 all sizes.

Jun 10, 2025 · Pet rats are clean and friendly companions. Find out how to select, interact, and care for them, including their diet, housing, and social needs.