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.

Nov 19, 2025 · In scientific usage, rat applies to any of 56 thin-tailed, medium-sized rodent species in the genus Rattus native to continental Asia and the adjacent islands of Southeast …

Rattus rattus is a medium sized rat with relatively large ears and a tail that is nearly always longer than the body. Individuals weigh between 70 and 300 g, and are between 16 and 22 cm in …

Jan 28, 2014 · Rats are medium-sized rodents belonging to the genus Rattus, characterized by a long tail, slender body, and pointed snout. They are nocturnal, colonial animals that thrive in …

Aug 31, 2025 · Discover the fascinating world of Rattus species, from their origins to modern-day evolution, and explore the history of these intriguing rodents.

What sets Rattus apart from look-alike small mammals is a mix of brains, agility, and social savvy. They’re quick learners with excellent memories, able to map new spaces after a single night’s …

May 27, 2024 · Rattus is the medieval Latin name for a rat. The black rat is also called a house rat. This animal belongs to the Muridae family and the classification Mammalia. Other species …

4 days ago · Familia: Muridae Subfamilia: Murinae Tribus: Rattini Genus: Rattus Species (73 + †3): R. adustus – R. andamanensis – R. arfakiensis – R. argentiventer – R ...

The roof rat (Rattus rattus) is one of two introduced rats found in the contiguous 48 states. The Norway rat (R. norvegicus) is the other species and is better known because of its wide …

A native of the Indian sub-continent, the ship rat (Rattus rattus) has now spread throughout the world. It is widespread in forest and woodlands as well as being able to live in and around …