The long-tailed pygmy possum (''Cercartetus caudatus'') is a
diprotodont marsupial
Marsupials are any members of the mammalian infraclass Marsupialia. All extant marsupials are endemic to Australasia, Wallacea and the Americas. A distinctive characteristic common to most of these species is that the young are carried in a po ...
found in the rainforests of northern
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
and
New Guinea
New Guinea (; Hiri Motu
Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea).
It is a simplified version of ...
. Living at altitudes of above , it eats
insect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs ...
s and
nectar
Nectar is a sugar-rich liquid produced by plants in glands called nectaries or nectarines, either within the flowers with which it attracts pollinating animals, or by extrafloral nectaries, which provide a nutrient source to animal mutualists ...
, and may eat
pollen
Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophyt ...
in place of insects in the wild.
It is known as sumsum in the
Kalam language of
Papua New Guinea
Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...
.
[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 Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...
-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.
Behavior
Not much is known of this
possum's behaviour, but what is known is that this species is both
nocturnal
Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite.
Nocturnal creatures generally have highly developed sens ...
and
arboreal. 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 Henri Milne-Edwards