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 …

1 day ago · Animal rescue volunteers are racing to find new homes for hundreds of pet rats found running amok in a filthy, now condemned house in the New York City suburbs.

Jan 4, 2026 · 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 …

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.

Rats are more than just a pest. Learn how these rodents fit into our ecosystem, how they have helped shape history, and other interesting facts about rats.

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.

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 …