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Trichosurus vulpecula

(Brush-Tailed Possum)

Overview

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Mammal. This solitary, nocturnal , arboreal marsupial (introduced from Australia) damages native forests in New Zealand by selective feeding on foliage and fruits. It also preys on bird nests and is a vector for bovine tuberculosis.

Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in Dutch:

Voskoesoe

Common Names in English:

Brush-Tailed Possum, Common Brushtail Possum, Brushtail possum, Common Brush-tailed Possum, Common Brushtail, Silver-gray Brushtail Possum

Common Names in French:

Phalanger Blanch?tre

Common Names in German:

Fuchskusu

Common Names in Russian:

Поссум щетинохвостый

Description

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Physical Description

Species Trichosurus vulpecula

A cat-sized phalanger (2-4kg) with a bushy, prehensile tail, strong claws , a pointed snout, brown eyes, and prominent ears, which are naked on the inside. The fur is thick and woolly ; either grey or "black". Grey individuals have a grizzled back and sides, with paler (whitish) underparts, a dark snout and chin and a pink nose. The sternal gland stains a streak of brown fur on the chest (most marked in adult males). The tail is thick and cylindrical, turning to black at around mid point , with a naked underside towards the end. "Black" individuals are actually a dark brown, tinged with rufous , paler on the forequarters and underside, with an almost entirely black tail. Adult females have a forward-opening pouch with two mammaries. Adult males have testes in a pendulous scrotum, situated anterior to the penis .

Habitat

Typically found at an altitude of 0 to 1,397 meters (0 to 4,583 feet).[1]

Ecology: It is a largely arboreal , nocturnal species, that is generally found in dry eucalypt forests and woodlands. Large populations of this species can be found in pine plantations and suburban and urban areas (Kerle and How 2008). It breeds year round in some areas, in others it will breed in one or two seasons . Females begin breeding at about one year of age and a single young is born after a getstation period of 16 to 18 days; it has a pouch life of four to five months (Kerle and How 2008).

This species is commercially harvested in Tasmania. On Kangaroo Island, it is treated as a pest species (to humans and other threatened species) and there are removal permits . It is major a pest species in pine plantations in Australia where it can do considerable damage, and acts as a host of bovine tuberculosis in New Zealand (Kerle and How 2008).[2].

List of Habitats :

Biology

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Reproduction

Reproduction is highly seasonal with the main breeding season in autumn. A secondary season in spring sometimes occurs when nutrition is good. Gestation is 17-18 days. Single newborn young (c. 0.2g) crawl into the pouch and attach to a teat . Most development occurs within the pouch, where they remain for 120 - 140 days. Young remain with the mother (initially riding on her back) for a further 100 days or more, becoming independent from 240 -270 days old. Females may mature at one year old; males at 15 months or more.

Taxonomy

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Notes

Name Status: Accepted Name .

Last scrutiny: 28-Nov-2006

Populations from Barrow Island, the edge of the Pilbara, Kimberley, and northern Northern Territory are sometimes considered a separate species (i.e. , Trichosurus arnhemensis) (e.g. , Groves 2005). Likewise, populations from the Atherton Tablelands are sometimes considered a species (T. johnstonii) (e.g., Flannery 1994, Groves 2005). Usually, however, these populations are considered subspecies of T. vulpecula (e.g., Kerle and How 2008). (Ref. 311691).

Similar Species

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Members of the genus Trichosurus

ZipcodeZoo has pages for 7 species and subspecies in this genus:

T. arnhemensis (Northern Brush-Tailed Possum) · T. caninus (Short-Eared Brushtail Possum) · T. caninus caninus (Mountain Brush-Tailed Possum) · T. cunninghami (Mountain Brushtail Possum) · T. johnstonii (Coppery Brushtail) · T. vulpecula (Common Brushtail Possum) · T. vulpecula hypoleucus (Common Brushtail Possum)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 26, 2007:

Identifiers

Footnotes

  1. Mean = 168.900 meters (554.134 feet), Standard Deviation = 359.670 based on 539 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
  2. Morris, K., Woinarski, J., Friend, T., Foulkes, J., Kerle, A. & Ellis, M. 2008. Trichosurus vulpecula. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 05 February 2012. [back]
Last Revised: 7/14/2012