The long-tailed pygmy possum (''Cercartetus caudatus'') is a diprotodont

marsupial Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are natively found in Australasia, Wallacea, and the Americas. One of marsupials' unique features is their reproductive strategy: the young are born in a r ...

found in the rainforests of northern

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

and

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...

. Living at altitudes of above , it eats

insect Insects (from Latin ') are Hexapoda, hexapod invertebrates of the class (biology), class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (Insect morphology#Head, head, ...

s and

nectar Nectar is a viscous, sugar-rich liquid produced by Plant, plants in glands called nectaries, either within the flowers with which it attracts pollination, pollinating animals, or by extrafloral nectaries, which provide a nutrient source to an ...

, and may eat

pollen Pollen is a powdery substance produced by most types of flowers of seed plants for the purpose of sexual reproduction. It consists of pollen grains (highly reduced Gametophyte#Heterospory, microgametophytes), which produce male gametes (sperm ...

in place of insects in the wild. It is known as sumsum in the Kalam language of

Papua New Guinea Papua New Guinea, officially the Independent State of Papua New Guinea, is an island country in Oceania that comprises the eastern half of the island of New Guinea and offshore islands in Melanesia, a region of the southwestern Pacific Ocean n ...

.Pawley, Andrew and Ralph Bulmer. 2011. ''A Dictionary of Kalam with Ethnographic Notes''. Canberra. Pacific Linguistics.

Description

The long-tailed pygmy possum has large eyes,

mouse A mouse (: mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus'' ...

rodent Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and Mandible, lower jaws. About 40% of all mammal specie ...

-like ears, a pouch that opens anteriorly, and a tail that is about one and a half times as long as the body, giving the possum its name.

Behaviour

Not much is known of this possum's behaviour, but what is known is that this species is both

nocturnal Nocturnality is a ethology, behavior in some non-human animals characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnality, diurnal meaning the opposite. Nocturnal creatur ...

and

arboreal Arboreal locomotion is the locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some animals may scale trees only occasionally (scansorial), but others are exclusively arboreal. The hab ...

. In cold weather, it becomes torpid and looks and feels dead, but wakes at night. Not much is known on the origin of this torpor.

Life cycle

This species breeds twice a year. Females have one to four young born around January and February and sometimes a second litter from late August to early September. The young leave the nest when they are 45 days old. They only grow up to .

References

{{Taxonbar, from=Q209747 Possums Marsupials of Australia Mammals of Queensland Marsupials of New Guinea Mammals of Papua New Guinea Mammals of Western New Guinea Mammals described in 1877 Taxa named by Alphonse Milne-Edwards