The earless water rat is a New Guinea rodent, part of the Hydromys group of the subfamily of Old World rats and mice (Murinae). It is the only species of the genus Crossomys. This species is probably most closely related to Baiyankamys. It is still unclear to which species this group is related. It is one of the most aquatically adapted rodents of the world.
The giant white-tailed rat is an Australian rodent native to tropical rainforest of north Queensland, with subspecies occurring in New Guinea and the Aru Islands. It is one of the largest rodents in Australia, reaching up to 1 kg in weight. It is grey-brown above, cream to white below, and has a long, naked tail of which the distal section is white.
Shaw Mayer's water rat is a semiaquatic species of rodent in the family Muridae. It is found in the mountains of Papua New Guinea.
The western white-eared giant rat is a species of rodent in the family Muridae. It is found in West Papua, Indonesia and Papua New Guinea.
The eastern white-eared giant rat is a species of rodent in the family Muridae. It is found only in Papua New Guinea.
The long-footed water rat is a species of rodent in the family Muridae. It is found in the mountains of southern Papua New Guinea. Its natural habitat is subtropical or tropical dry forest.
Mallomys is a genus of rodent in the family Muridae. The name of the genus is formed from the Greek μαλλός, mallos, wool, and μῦς, mus, mouse/rat. These very large rats weigh between 0.95 and 2 kilograms and are native to highlands in New Guinea. Little is known about their behavior, but they are believed to feed on leaves, grasses and other plant material.
Rothschild's woolly rat is a species of rodent in the family Muridae. It is found on the island of New Guinea: both in the West Papua region of Indonesia and Papua New Guinea.
Lorentz's mosaic-tailed rat is a species of rodent in the family Muridae. It is found in West Papua, Indonesia and Papua New Guinea. The rat is named after Hendrikus Albertus Lorentz, a Dutch explorer who passed through Lorentz National Park on his 1909–10 expedition.
The black-tailed mosaic-tailed rat is a species of rodent in the family Muridae. It is endemic to the island of New Guinea.
The highland brush mouse, also known as the Menzies' mouse, is a species of rodent in the family Muridae. It is endemic to Papua New Guinea, and is found in montane moss forests and in alpine zones over 2,000 m. It is the only species in the genus Abeomelomys, although it has been placed in Pogonomelomys in the past.
The Giluwe rat is a species of rodent in the family Muridae. It is found only in Papua New Guinea, on Mount Giluwe and the subalpine grasslands of the Kaijende Highlands.
Poncelet's giant rat or Poncelet's naked-tailed rat is a species of rodent in the family Muridae. It is found in Papua New Guinea and Solomon Islands.
The moss-forest rat is a species of rodent in the family Muridae. It is found in Indonesia and Papua New Guinea.
The slender rat is a species of rodent in the family Muridae. It is found in West Papua, Indonesia and Papua New Guinea.
The giant naked-tailed rat is a species of rodent in the family Muridae. It is found in West Papua, Indonesia and Papua New Guinea. It lives in tropical forests, wetlands, and in degraded forests.
The long-fingered triok is a species of marsupial in the family Petauridae. It is found in West Papua, Indonesia and Papua New Guinea.
Kalam is a Kalam language of Papua New Guinea. It is closely related to Kobon, and shares many of the features of that language. Kalam is spoken in Middle Ramu District of Madang Province and in Mount Hagen District of Western Highlands Province.
The karuka is a species of tree in the family Pandanaceae and an important regional food crop in New Guinea. The nuts are more nutritious than coconuts, and are so popular that villagers in the highlands will move their entire households closer to trees for the harvest season.
Hydromyini is a very large, diverse tribe of muroid rodents in the subfamily Murinae. They are the dominant native rodents in Australasia and one of only two native rodent groups there, the other being the R. fuscipes group of the genus Rattus in the tribe Rattini. They are also found in parts of Southeast Asia.
