Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus Rattus. Other rat genera include Neotoma (pack rats), Bandicota (bandicoot rats) and Dipodomys (kangaroo rats). Rats are typically distinguished from mice by their size.

2025年2月3日 · 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-tailed rodents are just as often indiscriminately referred to as mice.)

2024年5月27日 · The rat — named the Bosavi woolly rat — lives in a volcano crater that had previously been lightly explored and with its tail included measures over 30 inches long. That makes it one of the largest rats in the world .

Everything you should know about the Rat. The Rat is a mid-size rodent, which is considered a common pest, though some species are kept as pets.

The brown rat (Rattus norvegicus), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat and Norwegian rat, is a widespread species of common rat. One of the largest muroids, it is a brown or grey rodent with a body length of up to 28 cm (11 in) long, and a tail slightly shorter than that.

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. Known for their intelligence and resourcefulness, rats have become a topic of both fascination and concern due to their impact on ecosystems and human environments.

Rats are notorious stowaways that migrated around the world along with humans; today they live wherever Homo sapiens are found, on every continent except Antarctica.

Rattus is a genus of muroid rodents, all typically called rats. However, the term rat can also be applied to rodent species outside of this genus. The best-known Rattus species are the black rat (R. rattus) and the brown rat (R. norvegicus). The group is generally known as the Old World rats or true rats and originated in Asia.

2023年4月27日 · 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...

There are about 56 different species of rats. The best known rats are the black rat (Rattus rattus), and the brown rat (Rattus norvegicus). These two are known as Old World rats. The group has its origins in Asia. Usually rats are bigger than mice. Rats are large muroid rodents, mice are small ones. The muroid family is very large and complex.