Malayan Field Rat (Rattus tiomanicus)
Mainly nocturnal. Occurs in a variety of habitats including coastal forests, especially mangroves, secondary forests and grassland. It as also adapted to plantations such as rubber and sometimes oil palm.The upper parts are brown, and the undersides light grey to white, the latter being an identification feature. the fur is soft, and the tail is dark in colour. The feet are broad and the upper side is devoid of hair.
This species is found on peninsular Thailand (south of the
Isthmus of Kra), the Malaysian Peninsula, and Indonesia (Sumatra, Borneo). In
the Philippines, it occurs in the Palawan Faunal Region only being recorded from
Arena, Bancalan, Busuanga, Calauit, and Palawan (Musser and Carleton 2005).
It is also found on many smaller islands, including Tioman island, Enggano island (South-West of Sumatra) and the Maratua Archipelago (east of Borneo), as well as the smaller islands of Pandjang, Rabu Rabu, Sangka Laki, Bilang Bilangan, Eraban, and Miang Besar off the east coast of Borneo (Musser and Califia 1982). It is also found on Busuanga (Musser 1977).
Brunei Darussalam; Indonesia; Malaysia; Philippines; Thailand
This species is common and widespread.
Population Trend: Increasing
Habitat and Ecology:
The species is apparently found only in a variety of habitats
in the lowland areas: from secondary forest, agricultural areas, plantations,
gardens, scrub, to grassland (Sanborn 1952; Payne et al. 1985), while Esselstyn
et al. (2004) found it in grassland-forest mosaic, selectively logged forest,
rice fields, mossy forest, and the transition zone between mossy and montane
There are no major threats to the species.
It is present in several protected areas across the range.