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 pale field rat is a small rat endemic to Australia. It is a nocturnal and herbivorous rodent that resides throughout the day in shallow burrows made in loose sand. Once widespread, the range has become greatly reduced and it is restricted to the grasslands, sedges, and cane-fields at the north and east of the continent. The fur is an attractive yellow-brown colour, with grey or cream at the underside. This medium-sized rat has a tail shorter than its body.
Annandale's rat is a species of rodent in the family Muridae. It is found in Indonesia (Sumatra), Peninsular Malaysia, and Singapore. It was classified as Rattus annandalei until 2017, but mitochondrial and nuclear DNA show that it belongs to the rat genus Sundamys.
The Bonthain rat or Southwestern Xanthurus Rat is a species of rodent in the family Muridae. It is found only in southwestern Sulawesi, Indonesia.
The Sula rat is a species of rodent in the family Muridae. It is found only in Indonesia, on Taliabu and Mangole islands in the Sula Archipelago. On Sanana island, only the introduced Rattus tanezumi and Rattus exulans are found.
The Philippine forest rat is a species of rodent in the family Muridae. It is found only in the Philippines, and is located throughout the archipelago. The scientific name commemorates British colonial administrator and zoological collector Alfred Hart Everett. The Chanum Torres is widespread throughout its range and feeds on a diet of worms and insects. There are no major threats to the species, which has been found to be competitively superior to introduced Rattus species.
Hoogerwerf's rat is a species of rodent in the family Muridae. It is named after zoologist Andries Hoogerwerf and is found only in western Sumatra, Indonesia, including Mount Leuser, where it is found only above 2000 m. It is known from few museum specimens. Genetic analysis indicate its closest relative is Rattus korinchi, another Sumatran mountain rat from which it diverged around 1.4 million years ago.
Korinch's rat is a species of rodent in the family Muridae. It is found only in western Sumatra, Indonesia, and is only known from Mount Kerinci and Mount Talakmau, where it is endemic to high elevations above 2000 m. It is only known from two museum specimens collected early in the 20th century. Genetic analysis indicate its closest relative is, another Sumatran mountain rat from which it diverged around 1.4 million years ago.
The Mindoro black rat is a species of rodent in the family Muridae. It is found only in hilly and forested areas of Mindoro island, the Philippines.
The Kerala rat or Ranjini’s field rat, is a species of rodent in the family Muridae found only in Kerala, India. In Kerala, it is known only from fragmented locations in Alappuzha, Thrissur, and Thiruvananthapuram. Its natural habitats are subtropical or tropical dry lowland grassland and swamps.
The Sikkim rat is a species of rodent in the family Muridae.
The Simalur rat is a species of rodent in the family Muridae. It is found only in Indonesia, on Simalur island and the nearby islands of Siumat, Lasia, and Babi
The dusky field rat, also known as the canefield rat, is a species of rodent in the family Muridae. It is found in Australia, Indonesia, and Papua New Guinea. In Australia it is found in northern Queensland and along the east coast as far south as Shoalwater Bay, where it is plentiful, and on South West Island in the Sir Edward Pellew Group off the Northern Territory, where it is considered a threatened species.
The Tanezumi rat, also known as the Asian rat or Asian house rat, is a species of rodent in the family Muridae. It is closely related to the black rat. It is widespread in eastern, southern and south-eastern Asia, being found in Bangladesh, Bhutan, Cambodia, China, Cocos (Keeling) Islands, Fiji, India, Indonesia, Japan, North Korea, South Korea, Laos, Malaysia, Myanmar, Nepal, the Philippines, Taiwan, Thailand, and Vietnam.
The Tawitawi forest rat or Tawitawi Island rat is a species of rodent in the family Muridae. It is found only in Tawi-Tawi, Philippines.
The Timor rat is a species of rodent in the family Muridae found in Indonesian West Timor, where it lives in the teak forests. It is known from a specimen collected near the summit of Mount Mutis.
The Malayan field rat, Malaysian field rat or Malaysian wood rat, is a species of rodent in the family Muridae. It is nocturnal and mainly arboreal and is found in Malaysia, Thailand, Indonesia and the Philippines. It is a common species and the International Union for Conservation of Nature has assessed it as being of "least concern".
The yellow-tailed rat is a species of rodent in the family Muridae. It is found only in northeastern Sulawesi, Indonesia.
The southeastern xanthurus rat, is a rodent of the genus Rattus.
