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Lifespan, longevity, and ageing

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Maximum longevity: 9.6 years (captivity)
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Benefits

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The indigenous people of New Guinea hunt D. trivirgata for meat and skins. The skins are used in certain cultural rituals. Striped possums are relatively common in New Guinea, and provide a good food source.

Positive Impacts: food ; body parts are source of valuable material

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Benefits

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In agricultural areas that border lowland rainforest, striped possums sometimes cause slight damage to sugar cane crops. They break into sugar cane stalks, but it is not known if they consume the sap or are simply looking for insects.

Negative Impacts: crop pest

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Conservation Status

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This species is not yet globally listed.

IUCN Red List of Threatened Species: least concern

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Behavior

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Striped possums make at least two types of vocalizations. They frequently call in a raspy guttoral "gar-gair, gar-gair" manner (described in "Reproduction," above). These vocalizations are followed by a social aggregation of two or three individuals. This call is suggested to play a role in the species' mating system and also seems to be used for other social groupings. The other type of call is a distress call that is used repeatedly when an animal feels threatened. The distress vocalization is a series of 5-6 creaking "frog-like" calls that decend in pitch ("erreeh"). This suggests that D. trivirgata may demonstrate a high degree of sociality.

The pungent scent of striped possums may be a predator deterent, but also might play a role in the social communication of the species. Further research is needed in this area.

Communication Channels: acoustic ; chemical

Other Communication Modes: duets ; pheromones

Perception Channels: visual ; tactile ; acoustic ; chemical

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Untitled

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Some preliminary genetic work has been done on D. trivirgata. The species has a karyotype with a diploid chromosome number of 18. The chromosome pairs 1 to 5 are submetacentric and pairs 6 to 8 are acrocentric. Data suggest that the karyotypes of the genus Dactylopsila are most similar to those of Dactylonax within the family Petauridae.

The probability of genetic bottlenecking during the invasion of the striped possum to Australia from New Guinea was quite high. However, recent genetic research has provided evidence that a significant bottleneck did not take place. Data from 9 females and 18 males indicate that Australian populations of striped possums have moderate levels of genetic diversity compared to other marsupials.

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Associations

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Dactylopsila trivirgata is a host to many species of parasites. The first records of certain parasite species have been made from striped possums. Ixodes holocyclus Neumann and Ixodes cordifer Neumann are both parasites of D. trivirgata, along with at least two species of intranasal mites from the family Trombiculidae.

Dactylopsila trivirgata also may limit insect populations.

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Trophic Strategy

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Dactylopsila trivirgata is a generalist insectivore that eats primarily social insects, such as ants and termites, and wood-boring larvae of beetles and moths. It is more reliant on invertebrates than other members of the Petauridae, which is suggested not only by observations of foraging and stomach contents, but also by the simplicity and shortness of the digestive tract. In particular, the length of the caecum, an organ used in fermentation, is significantly shorter in D. trivirgata than in Petaurus breviceps and Gymnobelideus leadbeateri.

Striped possums eat insects from at least 8 orders, including Coleoptera, Hymenoptera, Lepidoptera, Isoptera, Blattodea, Orthoptera, Hemiptera, and Diptera. The insects that contribute most to the diet of striped possums are moth and beetle larvae, ants, termites, and crickets. The high frequency of wood-boring larvae and social insects in stomach samples suggests that D. trivirgata targets these high-energy foods. The fat content in these items is between 20 and 44%.

Many unusual adaptations allow D. trivirgata to be successful as an arboreal insectivore. It uses its forepaws to tap rapidly on wood to locate larvae. Once the insects are located, the powerful jaws and tooth orientation of striped possums make them great at excavating bark and wood from living and dead trees. Ant and termite eggs present in stomach contents suggests that D. trivirgata uses its jaws to break into insect mounds too. The striped possum has a dexterous elongated fourth finger that is used for collecting wood-boring larvae while it is excavating trees. The fourth digit is highly sensitive and some observations suggest that it is used to discriminate different vibration frequencies of various insects and larvae. The fourth finger is so sensitive that it represents 10% of the entire primary somatosensory area (SI) of the brain. This compares to a 4-5% representation of the SI for the fourth digit of northern quolls, Dasyurus hallucatus.

Pollen, nectar, flowers, sap, and fruit also contribute to the diet of striped possums. These items, however, comprise very little of the total diet. Interestingly, striped possums have been observed eating small mammals in captivity.

Animal Foods: mammals; insects; terrestrial non-insect arthropods

Plant Foods: leaves; wood, bark, or stems; seeds, grains, and nuts; fruit; pollen; flowers; sap or other plant fluids

Primary Diet: carnivore (Insectivore )

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Distribution

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Common striped possums (Dactylopsila trivirgata) inhabit Australia and New Guinea, including some nearby islands. In Australia they are restricted to northeastern Queensland, ranging from the tip of the Cape York Peninsula in the north to Mt. Spec in the south. They are widespread over this limited range, but is quite rare. In New Guinea they are much more common and distributed throughout the lowlands and foothills.

Biogeographic Regions: australian (Native )

Other Geographic Terms: island endemic

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Habitat

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Dactylopsila trivirgata is highly arboreal and lives almost exclusively in lowland tropical rainforest and adjacent woodlands. Within this habitat, it most commonly inhabits vine forests, riparian woodlands, and monsoonlands. Individuals are sometimes observed feeding in more open eucalypt (Eucalyptus spp.) and melaleuca woodlands.

The human alteration and destruction of rainforest may have several ecological impacts on this species. In fragmented landscapes, D. trivirgata requires habitat corridors that are connected to large tracts of continuous forest. These forests must also contain large trees over 30 cm DBH, because common striped possums need large trees with hollows for den sites.

Range elevation: Most common below 300 (high) m.

Habitat Regions: tropical ; terrestrial

Terrestrial Biomes: forest ; rainforest

Other Habitat Features: riparian

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Life Expectancy

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Range lifespan
Status: captivity:
9 years and 7 months (high) hours.

Average lifespan
Status: wild:
5.0 years.

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Morphology

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Dactylopsila trivirgata is a mid-sized possum with remarkable black and white coloration. The coarse pelage is characterized by 3 longitudinal variable black stripes. The middle stripe runs from the front of the head to the tip of the tail, while the lateral stripes start at the muzzle and course over the eyes and ears to the rump. Branches from the lateral stripes continue down the outside of each limb. The fur of juvenile and subadult animals displays sharp contrast between the black and white markings. The fur of adults exhibits more gradual transitions between black and white markings, and white areas become more grey with age. The distinct bushy tail is considerably longer than the body and is usually darker on top with the tip being either black or white.

Common striped possums have several unique morphological characters. They possess an elongated tongue and fourth finger, long incisors, and a rounding of the braincase. The fourth finger is nearly twice the length of the next, and the procumbent lower incisors of Dactylopsila have the greatest relative length of any possum. In addition, the first upper incisors project forward. All of these are most likely specialized feeding adaptations. The rounding of the braincase makes it possible for D. trivirgata to have the largest brain in relation to its body weight of any marsupial.

Range mass: 246 to 569 g.

Average mass: 423 g.

Range length: 256 to 270 mm.

Other Physical Features: endothermic ; bilateral symmetry

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Associations

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In New Guinea, indigenous peoples hunt D. trivirgata for food and skins. Amesthistine pythons (Morelia amethistina) also prey on striped possums. These pythons are common in the Australian habitat of D. trivirgata and may have a significant impact on young. Barking owls (Ninox connivens) and rufous owls (Ninox rufa) occupy the same areas and are known to feed on arboreal mammals, but have never been observed taking D. trivirgata.

In open areas, D. trivirgata is quite cryptic, due to its contrasting black and white coloration. The white markings make it difficult to make out when there are openings in the canopy that allow beams of light to penetrate.

Dactylopsila trivirgata possesses a foul, pungent odor. Its scent is said to be worse than other marsupial scents, which can be quite powerful. The purpose of the odor is not known, but it has been suggested that it is an enemy deterent.

Known Predators:

  • amethystine pythons (Morelia amethistina)

Anti-predator Adaptations: cryptic

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Reproduction

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Not much is known about the mating systems of D. trivirgata. Observations suggest that there is intense male rivalry for breeding females. Males chase each other and make threatening, raucous vocalizations when in close contact. While coupled, both male and female repeatedly make loud, guttural vocalizations ("gar-gair, gar-gair") and intertwine and thrash their tails about. According to a single observation, copulation lasts approximately ten minutes.

Limited research has been conducted on the breeding biology of D. trivirgata. Observations of mating in Australia have been made from February to August, and from January to October in New Guinea. This suggests a breeding seasonality. The breeding peak in Australia is June to July. Females have well-developed pouches with two mammae. They have one to two young, but almost always have two. The breeding interval for this species is not known. No detailed information has been documented on the development of young and the age to sexual maturity.

Breeding season: Common striped possums mate during the dry season. In Australia mating occurs between February and August. Mating has been observed in New Guinea as early as January and as late as October.

Range number of offspring: 1 to 2.

Average number of offspring: usually 2.

Key Reproductive Features: iteroparous ; seasonal breeding ; gonochoric/gonochoristic/dioecious (sexes separate); sexual ; viviparous

Average number of offspring: 1.5.

The degree to which female common striped possums provide care for their young is not known. Males have not been documented to take part in providing for the offspring. Females will carry their offspring on their back after weaning, but it is not known for how long. The provisioning of post-weaning food to the young is not known either.

Parental Investment: altricial ; pre-hatching/birth (Protecting: Female); pre-weaning/fledging (Provisioning: Female, Protecting: Female); pre-independence (Provisioning: Female, Protecting: Female)

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Langstaff, L. 2004. "Dactylopsila trivirgata" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Dactylopsila_trivirgata.html
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Lucas Langstaff, University of Michigan-Ann Arbor
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Pòssum ratllat comú ( Catalan; Valencian )

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El pòssum ratllat comú (Dactylopsila trivirgata) és un membre de la família dels petàurids, un grup de marsupials. Viu a Austràlia i l'illa de Nova Guinea, així com a diverses illes petites de la regió. Destaca per la seva coloració distintiva. Aquest animal és negre, amb tres ratlles blanques que van del cap a la cua i amb un ventre i unes potes blancs. És similar al petaure del sucre, amb el qual està relacionat.

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Pòssum ratllat comú: Brief Summary ( Catalan; Valencian )

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El pòssum ratllat comú (Dactylopsila trivirgata) és un membre de la família dels petàurids, un grup de marsupials. Viu a Austràlia i l'illa de Nova Guinea, així com a diverses illes petites de la regió. Destaca per la seva coloració distintiva. Aquest animal és negre, amb tres ratlles blanques que van del cap a la cua i amb un ventre i unes potes blancs. És similar al petaure del sucre, amb el qual està relacionat.

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Vakoveverka páskovaná ( Czech )

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Vakoveverka páskovaná (Dactylopsila trivirgata) je snadno poznatelná podle nápadných černobílých pruhů, které připomínají pruhy skunka. Vakoveverka páskovaná má též pronikavý, jen těžko odstranitelný pach.

Výskyt

V severním Queeslandu, v deštných lesích podél pobřeží, kromě toho i na Nové Guineji.

Základní data

Délka vakoveverky páskované je 25 až 27 cm. Její hmotnost je 250 až 400 g.

Zajímavosti

Je typickým zvířetem deštného lesa, šplhajícím ve větvích stromů s ohromující zručností a rychlostí. Při hledání hmyzu prohlíží především dutiny větví, duté stromy a štěrbiny pod borkou stromů. Živí se však i bobulemi, plody a medem. Vytahuje larvy ze dřeva drápem čtvrtého prstu a pomocí dlouhého jazyka. Ačkoli je hojně rozšířená lze ji pozorovat jen zřídka.

Reference

  1. Červený seznam IUCN 2018.1. 5. července 2018. Dostupné online. [cit. 2018-08-10]
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Vakoveverka páskovaná: Brief Summary ( Czech )

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Vakoveverka páskovaná (Dactylopsila trivirgata) je snadno poznatelná podle nápadných černobílých pruhů, které připomínají pruhy skunka. Vakoveverka páskovaná má též pronikavý, jen těžko odstranitelný pach.

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Großer Streifenbeutler ( German )

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Verbreitungsgebiet

Der Große Streifenbeutler (Dactylopsila trivirgata) ist eine Art der Gleitbeutler (Petauridae), die in Neuguinea und im Nordosten von Australien vorkommt.[1]

Vorkommen und Unterarten

Es gibt vier Unterarten:[2][1]

Merkmale

Der Große Streifenbeutler erreicht eine Kopf-Rumpf-Länge von 24 bis 28 cm, hat einen 32 bis 39 cm langen Schwanz und erreicht ein Gewicht von etwa 430 bis 545 g (Männchen) bzw. 310 bis 475 g (Weibchen). Das Fell ist weißlich bis hellgrau. Drei dunkelbraune bis schwarze Streifen verlaufen auf dem Rücken. Verglichen mit dem Tate-Streifenbeutler (D. tatei) hat der Große Streifenbeutler einen längeren Schwanz, der aber nicht so buschig ist wie der des Bürstenschwanz-Streifenbeutlers (D. megalura). Vom Langfinger-Streifenbeutler (D. palpator) kann er durch den deutlich weniger verlängerten vierten Finger der Vorderhand unterschieden werden.[1]

Lebensraum und Lebensweise

Der Große Streifenbeutler lebt in Tieflandregenwäldern und in den unteren Bereichen der Bergregenwälder, in Nordostaustralien, wo der Regenwaldbereich sehr klein ist, auch noch in angrenzenden anderen Waldtypen[1] (z. B. Wälder mit Eukalypten und Myrtenheiden).[3] Die Tiere sind nachtaktiv und verbringen den Tag in Nestern in Baumhöhlen oder zwischen großen Epiphyten. Sie ernähren sich vor allem von Käferlarven, die im morschen Holz bohren. Bei der Nahrungssuche lösen sie Rinde und morsches Holz mit ihren kräftigen oberen Schneidezähnen und holen die Larve anschließend mit dem langen vierten Finger aus seinem Bohrloch, ähnlich wie es die madegassischen Fingertiere tun. Außerdem fressen sie Käfer, Ameisen, Termiten, Motten, Grillen, Schaben, Schnabelkerfe, Spinnen, Früchte, Pflanzensäfte (z. B. von Akazien) und möglicherweise auch Nektar. Große Streifenbeutler vermehren sich das ganze Jahr über, in Australien möglicherweise mit einer Häufung von März bis Juni. Pro Wurf werden ein bis zwei Jungtiere geboren. Große Streifenbeutler stoßen zweisilbige, gutturale Laute aus ("gar-gair, gar-gair"). Sie werden von Amethystpythons und Eulen erbeutet. Erbeutete Tiere stoßen laute Notrufe aus, worauf andere Streifenbeutler sich schnell nähern, um den Beutegreifer zu hassen.[1]

Gefährdung

Die IUCN stuft den Großen Streifenbeutler als nicht gefährdet (Least Concern) ein. Grund ist das sehr große Verbreitungsgebiet und das Vorkommen in verschiedenen Schutzgebieten.[3]

Belege

  1. a b c d e Stephen Jackson: Family Petauridae (Striped Possums, Leadbeater's Possum and Lesser Gliders). In: Don E. Wilson, Russell A. Mittermeier: Handbook of the Mammals of the World – Volume 5. Monotremes and Marsupials. Lynx Editions, 2015, ISBN 978-84-96553-99-6, S. 560.
  2. Stephen Jackson, Colin Groves: Taxonomy of Australian Mammals. Csiro Publishing, 2015, ISBN 978-1-4863-0013-6. (Leseprobe)
  3. a b Dactylopsila trivirgata in der Roten Liste gefährdeter Arten der IUCN 2016. Eingestellt von: Salas, L., Dickman, C., Helgen, K., Burnett, S. & Martin, R., 2015. Abgerufen am 30. Juni 208.

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Großer Streifenbeutler: Brief Summary ( German )

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Der Große Streifenbeutler (Dactylopsila trivirgata) ist eine Art der Gleitbeutler (Petauridae), die in Neuguinea und im Nordosten von Australien vorkommt.

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Striped possum

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The striped possum or common striped possum (Dactylopsila trivirgata) is a member of the marsupial family Petauridae.[2] It is found mainly in New Guinea. The species is black with three white stripes running head to tail, and its head has white stripes that form a 'Y' shape. It is closely related to the sugar glider, and is similar in appearance.

Taxonomy

Colour illustration of a striped possum sitting on a tree branch
Striped Possum, illustrated by Joseph Wolf, Proceedings of the Zoological Society of London, 1858.

The striped possum was first described by John Edward Gray in 1858 from a specimen sent from the Aru Islands (in Indonesia) to the British Museum by Alfred Russel Wallace.[3] Gray gave the species the name Dactylopsila trivirgata in 1858,[4] the name the species retains today. The illustration that appeared alongside the first description was produced by Joseph Wolf.

Range

The striped possum is most commonly found in New Guinea[2] as well as several other small islands in the area (including the Solomon Islands). It also lives in Queensland, Australia, in rainforests and eucalypt woodland along the east coast of Cape York Peninsula and as far south as Townsville, but is uncommon and rarely seen in Australia.[5]

Description

In Crater Lakes National Park, Queensland, Australia

This possum looks like a black and white squirrel. It is solitary, mostly nocturnal, arboreal, and builds nests in tree branches.[6] The body length is approx. 263 mm long, tail 325 mm, and weight 423 g.[7] The striped possum's tail is prehensile.[2] Its fourth finger is elongated relative to the others (like the third finger of the aye-aye, a lemur found in Malagasy rainforests) and is used to take beetles and caterpillars from tree bark,[8] making it a "mammalian woodpecker".[9] Its main diet consists of wood-boring insect larvae, which are extracted from rotten branches probing with its elongated fourth finger and its powerful incisor teeth which are used to rip open tree bark to expose insects. It detects the larvae by a rapid drumming along branches with the toes of its forefoot.[5] The fourth finger has an unusual hooked nail which it uses to extract insects out of cracks.[10] The striped possum also eats leaves, fruits, and small vertebrates.[2]

It emits a "very powerful unpleasant smell."[10] It is noisy and growls. During the day it curls up on an exposed branch and sleeps.[11]

The female striped possum has two teats in her pouch and can give birth to up to two young.[2] However, not a lot is known of its breeding habits.

It is most easily found by the sound it makes chewing and drinking in the forest. The striped possum is one of the least known marsupials. The species is not considered to be threatened.

Footnotes

  1. ^ Salas, L.; Dickman, C.; Helgen, K.; Burnett, S.; Martin, R. (2016). "Dactylopsila trivirgata". IUCN Red List of Threatened Species. 2016: e.T6226A21960093. doi:10.2305/IUCN.UK.2016-2.RLTS.T6226A21960093.en. Retrieved 19 November 2021.
  2. ^ a b c d e McKay, G. (Ed.). (1999). Mammals (p. 60). San Francisco: Weldon Owen Inc. ISBN 1-875137-59-9
  3. ^ Gray, John Edward (1858). "List of species of Mammalia sent from the Aru Islands by Mr A.R. Wallace to the British Museum". Proceedings of the Zoological Society of London. 26: 106–113. doi:10.1111/j.1469-7998.1858.tb06350.x – via Biodiversity Heritage Library.
  4. ^ Groves, C. P. (2005). "Order Diprotodontia". In Wilson, D. E.; Reeder, D. M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 54. ISBN 978-0-8018-8221-0. OCLC 62265494.
  5. ^ a b Marlow (1981), p. 80.
  6. ^ Marlow (1981), p. 80,
  7. ^ Ryan and Burwell (20000), p. 339.
  8. ^ Rawlins, D. R.; Handasyde, K. A. (2002). "The feeding ecology of the striped possum Dactylopsila trivirgata (Marsupialia: Petauridae) in far north Queensland, Australia". J. Zool. Lond. Zoological Society of London. 257 (2): 195–206. doi:10.1017/S0952836902000808. Retrieved 2010-04-09.
  9. ^ Beck, R. M. D. (2009). "Was the Oligo-Miocene Australian metatherian Yalkaparidon a 'mammalian woodpecker'?". Biological Journal of the Linnean Society. The Linnean Society of London. 97: 1–17. doi:10.1111/j.1095-8312.2009.01171.x.
  10. ^ a b Drury (1981), p. 71.
  11. ^ Ryan and Burwell (2000), p. 339.

References

  • Drury, Susan (1981) Native Animals of Australia. Macmillan Pocket Guide. Macmillan Company of Australia, Melbourne, Victoria. ISBN 0-333-33755-7.
  • Marlow, Basil (1981). Marsupials of Australia. Amended edition. First published in 1962. Hesperian Press, Victoria Park, Western Australia.
  • Ryan, Michelle and Chris Burwell, editors (2000). Wildlife of Tropical North Queensland. Queensland Museum, Brisbane. ISBN 0-7242-9349-3.
  • Briggs, Mike; Briggs, Peggy (2004). The Encyclopedia of World Wildlife. Paragon. ISBN 1-4054-3679-4.

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Striped possum: Brief Summary

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The striped possum or common striped possum (Dactylopsila trivirgata) is a member of the marsupial family Petauridae. It is found mainly in New Guinea. The species is black with three white stripes running head to tail, and its head has white stripes that form a 'Y' shape. It is closely related to the sugar glider, and is similar in appearance.

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Dactylopsila trivirgata ( Spanish; Castilian )

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El falangero listado (Dactylopsila trivirgata) es una especie de marsupial diprotodonto de la familia Petauridae. Habita en Australia y en la isla de Nueva Guinea.[2]

Este falangero recuerda una ardilla blanca y negra, su tamaño varia entre 25 y 27 cm de largo. Su cuarto dedo es más largo que los demás y lo usa para extraer escarabajos y orugas de la corteza de los árboles. El falangero listado solo puede ser encontrado oyendo el ruido que produce al masticar y beber en el bosque.

Es uno de los marsupiales menos conocidos.

Subespecies

Se reconocen cuatro subespecies de Dactylopsila trivirgata.[3]

Referencias

  1. Salas, L., Dickman, C., Helgen, K., Burnett, S. & Martin, R. (2008). «Dactylopsila trivirgata». Lista Roja de especies amenazadas de la UICN 2015.2 (en inglés). ISSN 2307-8235. Consultado el 14 de agosto de 2015.
  2. Briggs, Mike; Briggs, Peggy (2004). The Encyclopedia of World Wildlife (La Enciclopedia de la vida salvaje mundial). Paragon. ISBN 1-4054-3679-4.
  3. Wilson, Don E.; Reeder, DeeAnn M., eds. (2005). Mammal Species of the World (en inglés) (3ª edición). Baltimore: Johns Hopkins University Press, 2 vols. (2142 pp.). ISBN 978-0-8018-8221-0.

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Dactylopsila trivirgata: Brief Summary ( Spanish; Castilian )

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El falangero listado (Dactylopsila trivirgata) es una especie de marsupial diprotodonto de la familia Petauridae. Habita en Australia y en la isla de Nueva Guinea.​

Este falangero recuerda una ardilla blanca y negra, su tamaño varia entre 25 y 27 cm de largo. Su cuarto dedo es más largo que los demás y lo usa para extraer escarabajos y orugas de la corteza de los árboles. El falangero listado solo puede ser encontrado oyendo el ruido que produce al masticar y beber en el bosque.

Es uno de los marsupiales menos conocidos.

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Dactylopsila trivirgata ( Basque )

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Dactylopsila trivirgata Dactylopsila generoko animalia da. Martsupialen barruko Diprotodontia ordeneko animalia da. Petauridae familian sailkatuta dago.

Erreferentziak

  1. (Ingelesez)Mammals - full taxonomy and Red List status Ugaztun guztien egoera 2008an
  2. Gray (1858) 1858 Proc. Zool. Soc. Lond. 111. or..

Ikus, gainera

(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Dactylopsila trivirgata: Brief Summary ( Basque )

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Dactylopsila trivirgata Dactylopsila generoko animalia da. Martsupialen barruko Diprotodontia ordeneko animalia da. Petauridae familian sailkatuta dago.

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Kolmijuovapussisormieläin ( Finnish )

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Kolmijuovapussisormieläin eli kolmijuovasormipussieläin[3] (Dactylopsila trivirgata) on harvaetuhampaisten lahkoon kuuluva pussieläinlaji.[2] Se elää Uudessa-Guineassa ja Australiassa, sekä joillakin läheisillä saarilla. Kolmijuovapussisormieläin on noin 25–27 senttiä pitkä, ja sillä on huomattava mustavalkoinen väritys. Sen karkealle turkille on tunnusomaista kolme pitkittäistä, vaihtelevaa mustaa juovaa. Kolmijuovapussisormieläin syö pääasiassa yhteiskuntahyönteisiä, kuten muurahaisia ja termiittejä, sekä puuta tuhoavia kovakuoriaisten ja yöperhosten toukkia.[4]

Nisäkäsnimistötoimikunnan ehdotus lajin uudeksi suomenkieliseksi nimeksi on juovaliitopussikas.[3]

Lähteet

  1. Salas, L., Dickman, C., Helgen, K., Burnett, S. & Martin, R.: Dactylopsila trivirgata IUCN Red List of Threatened Species. Version 2017.2. 2016. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 16.11.2017. (englanniksi)
  2. a b Wilson, Don E. & Reeder, DeeAnn M. (toim.): Dactylopsila trivirgata Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed). 2005. Johns Hopkins University Press. Viitattu 16.11.2017. (englanniksi)
  3. a b Nisäkäsnimistötoimikunta: Maailman nisäkkäiden suomenkieliset nimet (vahvistamaton ehdotus nisäkkäiden nimiksi) koivu.luomus.fi. 2008. Viitattu 16.11.2017.
  4. Langstaff, L.: Dactylopsila trivirgata (striped possum) Animal Diversity Web. 2004. Viitattu 16.11.2017. (englanniksi)
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Kolmijuovapussisormieläin: Brief Summary ( Finnish )

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Kolmijuovapussisormieläin eli kolmijuovasormipussieläin (Dactylopsila trivirgata) on harvaetuhampaisten lahkoon kuuluva pussieläinlaji. Se elää Uudessa-Guineassa ja Australiassa, sekä joillakin läheisillä saarilla. Kolmijuovapussisormieläin on noin 25–27 senttiä pitkä, ja sillä on huomattava mustavalkoinen väritys. Sen karkealle turkille on tunnusomaista kolme pitkittäistä, vaihtelevaa mustaa juovaa. Kolmijuovapussisormieläin syö pääasiassa yhteiskuntahyönteisiä, kuten muurahaisia ja termiittejä, sekä puuta tuhoavia kovakuoriaisten ja yöperhosten toukkia.

Nisäkäsnimistötoimikunnan ehdotus lajin uudeksi suomenkieliseksi nimeksi on juovaliitopussikas.

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Phalanger au pelage rayé ( French )

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Dactylopsila trivirgata

Le Phalanger au pelage rayé (Dactylopsila trivirgata, en anglais : Striped Possum) est un membre de la famille des Petauridae. C'est l'un des marsupiaux les moins bien connus.

Description

Il pèse en moyenne 350 g et mesure 25 à 27 cm de long. Il ressemble à un écureuil avec des rayures horizontales alternativement claires et foncées mais une queue moins touffue. Il a un Y blanc sur la tête très caractéristique. Il a une odeur désagréable très forte.

Distribution et habitat

Il vit dans les forêts humides de plaine et de montagne. On le rencontre rarement dans le nord du Queensland en Australie et plus fréquemment en Nouvelle-Guinée.

Sous-espèces

Ce mammifère est représenté par quatre sous-espèces :

  • Dactylopsila trivirgata trivirgata Gray, 1858 ;
  • Dactylopsila trivirgata kataui Matschie, 1916 ;
  • Dactylopsila trivirgata melampus Thomas, 1908 ;
  • Dactylopsila trivirgata picata Thomas, 1908.

Alimentation

Il utilise son quatrième doigt plus long que les autres pour ramasser les insectes et les chenilles sous l'écorce des arbres. Il se nourrit aussi de fleurs et de fruits

Vie sociale

C'est un animal arboricole nocturne, très difficile à repérer, passant ses journées à dormir dans un nid dans le creux d'un tronc au sommet d'un arbre. Contrairement aux autres Opossums, il est relativement bruyant et on peut le repérer au bruit qu'il fait en mangeant ou en buvant ou aux déjections au pied de son nid.

Reproduction

Elle a lieu de février à août. La portée est généralement de 2 petits.

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Phalanger au pelage rayé: Brief Summary ( French )

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Dactylopsila trivirgata

Le Phalanger au pelage rayé (Dactylopsila trivirgata, en anglais : Striped Possum) est un membre de la famille des Petauridae. C'est l'un des marsupiaux les moins bien connus.

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Dactylopsila trivirgata ( Italian )

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L'opossum striato grande (Dactylopsila trivirgata Gray, 1858) è un marsupiale arboricolo della famiglia dei Petauridi[2].

Descrizione

D. trivirgata è un opossum di medie dimensioni (lunghezza testa-tronco 256–270 mm e 246-569 g di peso) che presenta una particolare colorazione bianca e nera. Il ruvido manto è caratterizzato da 3 strisce nere longitudinali variabili. La striscia mediana va dalla fronte all'estremità della coda, mentre le strisce dorsali partono dal muso, attraversano occhi e orecchie, e si spingono fino al posteriore. Rami che si dipartono dalle strisce laterali continuano verso il basso lungo il lato esterno di ogni arto. Il manto degli esemplari giovani e dei sub-adulti mostra un netto contrasto tra i disegni bianchi e quelli neri. Quello degli adulti, invece, mostra una transizione più graduale tra le zone bianche e nere, e le aree bianche divengono sempre più grigie con l'età. La caratteristica coda cespugliosa è notevolmente più lunga del corpo ed è generalmente più scura sul lato superiore, mentre l'estremità può essere bianca o nera.

L'opossum striato grande presenta alcune caratteristiche morfologiche uniche. Possiede una lingua e il quarto dito delle zampe anteriori molto lunghi, lunghi incisivi, e una calotta cranica arrotondata. Il quarto dito ha una lunghezza quasi doppia rispetto a quella delle altre dita, e gli incisivi inferiori sporgenti delle specie del genere Dactylopsila sono i più lunghi dell'intero sottordine dei Falangeriformi relativamente alle dimensioni corporee. Inoltre, i primi incisivi superiori si protendono in avanti. Tutte queste caratteristiche sono probabilmente correlate alle abitudini alimentari. La calotta cranica rotonda consente a D. trivirgata di avere il cervello più grande in rapporto al corpo di qualsiasi altro marsupiale[3][4][5][6][7].

Biologia

Comportamento

D. trivirgata è un insettivoro notturno e arboricolo. È attivo per lo più tra le 21:00 e le 05:50, e ogni notte può trascorrere fino a 9 ore alla ricerca di cibo. Si alimenta su alberi di qualsiasi dimensione, dal diametro del tronco variabile tra 10 e 110 cm. D. trivirgata cerca il cibo su alberi in piena salute, alberi secchi o abbattuti al suolo, e su tronchi marcescenti. La specie si alimenta soprattutto nel fitto della foresta, ma talvolta è stata vista mangiare anche sui terreni aperti adiacenti, fino a 400 m di distanza dal limitare degli alberi. Si spinge in cerca di cibo fin sulla volta della foresta, fino a 33 m di altezza. Mentre si alimenta o va in cerca di cibo, l'opossum striato si sposta rapidamente attraverso la volta saltando da un albero all'altro, coprendo anche lunghe distanze e atterrando con precisione. Procede con un'andatura flessuosa caratteristica, in quanto sembra avanzare «pagaiando» con gli arti. Mentre mangia, fa molto rumore, poiché smuove le foglie, graffia e sbuffa. Quando smette di mangiare, lascia cadere molti detriti sul suolo della foresta e il forte rumore che emette mentre mastica e aspira è stato notato da vari ricercatori.

I maschi adulti sono generalmente solitari, tranne che nella stagione degli amori. I maschi non condividono con nessuno il proprio riparo. Esemplari giovani e femmine spesso sono stati visti occupare insieme la stessa tana. Durante il giorno D. trivirgata dorme in un nido di foglie secche costruito nella cavità di un albero o su un tappeto di epifite. Sia i maschi che le femmine utilizzano un certo numero di nidi, sparsi attraverso tutto il loro territorio. Essi sono sempre situati su alberi dal diametro del tronco superiore ai 30 cm. Una specie sulla quale è frequente rinvenire nidi di questo animale è Cordia dichotoma[4][6][7][8][9][10].

Alimentazione

DactylopsilaTrivirgataWolf.jpg

D. trivirgata è un insettivoro generalista che si nutre principalmente di insetti sociali, come formiche e termiti, e di larve xilofaghe di coleotteri e falene. Dipende molto più dagli invertebrati di altri membri della famiglia dei Petauridi, come suggerito non solo dalle osservazioni di esemplari in vita e dei contenuti stomacali, ma anche dalla struttura semplice e dalla brevità del tratto digestivo. In particolar modo il cieco, il tratto di intestino dove avviene la fermentazione, è relativamente più breve in D. trivirgata che in Petaurus breviceps e in Gymnobelideus leadbeateri.

Gli opossum striati si cibano di insetti appartenenti almeno a 8 ordini, compresi Coleotteri, Imenotteri, Lepidotteri, Isotteri, Blattoidei, Ortotteri, Emitteri e Ditteri. Gli insetti che costituiscono la maggior parte della dieta degli opossum striati sono larve di falene e coleotteri, formiche, termiti e grilli. L'elevata frequenza con la quale larve xilofaghe e insetti sociali sono stati rinvenuti nei contenuti stomacali lascia ipotizzare che D. trivirgata miri proprio a nutrirsi di questi alimenti ricchi di energia. Il loro contenuto di grassi, infatti, varia dal 20 al 44%.

Sono molte le insolite caratteristiche che rendono D. trivirgata un insettivoro arboricolo di successo. Utilizza le zampe anteriori per battere rapidamente sul legno per localizzare le larve. Una volta individuati gli insetti, le potenti mascelle e i denti proiettati in avanti consentono all'animale di scavare attraverso la corteccia e il legno di alberi in vita o secchi. Dato che nei contenuti stomacali sono state rinvenute uova di formiche e termiti, sembra che D. trivirgata usi le mascelle anche per frantumare i nidi di questi insetti. L'opossum striato possiede un quarto dito allungato che utilizza per stanare larve xilofaghe dalle loro cavità. Questo dito è estremamente sensibile e alcune osservazioni lasciano ipotizzare che venga usato per distinguere le varie frequenze delle vibrazioni prodotte da vari insetti e larve. Il quarto dito è così sensibile che rappresenta il 10% dell'intera area somestesica primaria (S1) del cervello. Tanto per fare un confronto, nel quoll settentrionale, Dasyurus hallucatus, il quarto dito rappresenta il 4-5% dell'area S1.

Nella dieta degli opossum striati figurano anche polline, nettare, fiori, linfa e frutta. Questi, tuttavia, costituiscono solo una minima parte della dieta totale. Paradossalmente, degli opossum striati in cattività sono stati visti divorare dei piccoli mammiferi[3][4][6][7][9][10][11].

Riproduzione

Non sappiamo molto sulle abitudini riproduttive di D. trivirgata. Secondo le osservazioni effettuate sembra che vi siano forti rivalità tra i maschi per il possesso delle femmine. Essi si inseguono a vicenda e quando entrano in stretto contatto emettono rauche vocalizzazioni di minaccia. Durante l'accoppiamento, sia il maschio che la femmina emettono ripetutamente forti richiami gutturali («gar-gair, gar-gair») e intrecciano tra di loro la coda. Sulla base di un'unica osservazione, sembra che l'intera copula duri circa dieci minuti[4][7][10].

Sono state condotte poche ricerche sulla biologia riproduttiva di D. trivirgata. Osservazioni di animali che si accoppiavano sono state effettuate tra febbraio e agosto in Australia, e tra gennaio e ottobre in Nuova Guinea. Questo suggerisce la presenza di una stagione degli amori ben delineata. In Australia il picco riproduttivo va da giugno a luglio. Le femmine hanno marsupi ben sviluppati con due mammelle. Partoriscono uno o due piccoli, quasi sempre due. La durata dell'intervallo tra una nascita e la successiva non è noto, né abbiamo informazioni dettagliate sullo sviluppo dei piccoli o sull'età della maturità sessuale. Le femmine sono state viste trasportare sul dorso i propri piccoli anche dopo il loro svezzamento, ma non sappiamo per quanto tempi continuino a farlo[4][7][9][10].

Distribuzione e habitat

L'opossum striato grande è diffuso in Australia e Nuova Guinea, comprese alcune isole vicine. In Australia il suo areale è ristretto al Queensland nord-orientale, dalla punto della penisola di Capo York a nord al monte Spec a sud. Malgrado occupi un areale abbastanza limitato, è piuttosto raro. In Nuova Guinea è molto più comune, ed è diffuso in quasi tutta l'isola, sia nelle pianure che sulle colline[4][7][9][10][12].

Conduce vita prettamente arboricola e vive quasi esclusivamente nelle foreste pluviali tropicali e nelle zone boschive adiacenti. All'interno del suo habitat, è più facile trovarlo nelle zone ricche di rampicanti o in prossimità di corsi d'acqua o di aree inondate. Certi esemplari sono stati visti anche in foreste di eucalipti e melaleuche più aperte[4][5][10][13].

Tassonomia

Attualmente vengono riconosciute quattro sottospecie di opossum striato grande[2]:

Note

  1. ^ (EN) Salas, L., Dickman, C., Helgen, K., Burnett, S. & Martin, R. 2008, Dactylopsila trivirgata, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020.
  2. ^ a b (EN) D.E. Wilson e D.M. Reeder, Dactylopsila trivirgata, in Mammal Species of the World. A Taxonomic and Geographic Reference, 3ª ed., Johns Hopkins University Press, 2005, ISBN 0-8018-8221-4.
  3. ^ a b Fleay, D. 1942. The Remarkable Striped Possum. Victorian Naturalist, 58: 151-155.
  4. ^ a b c d e f g Handasyde, K., R. Martin. 1996. Field Observations on the Common Striped Possum (Dactylopsila trivirgata) in North Queensland. Wildlife Research, 23 (6): 755-766.
  5. ^ a b Menkhorst, P. 2001. A Field Guide to the Mammals of Australia. South Melbourne, Australia: Oxford University Press.
  6. ^ a b c Rawlins, D., K. Handasyde. 2002. The feeding ecology of the striped possum Dactylopsila trivirgata (Marsupialia: Petauridae) in far north Queensland, Australia. Journal of Zoology, uk, 257 (2): 195-206.
  7. ^ a b c d e f Van Dyck, S. 1995. Striped Possum (Dactylopsila trivirgata). Pp. 222-223 in R Strahan, ed. The Mammals of Australia. Chatswood, NSW: Reed Books.
  8. ^ Nowak, R. 1999. Walker's Mammals of the World. Baltimore and London: Johns Hopkins University Press.
  9. ^ a b c d Smith, A. 1982. Is the Striped Possum (Dactylopsila trivirgata; Marsupialia, Petauridae) an Arboreal Anteater?. Australian Mammalogy, 5 (3): 229-234.
  10. ^ a b c d e f Van Dyck, S. 1979. Mating and other aspects of behaviour in wild striped possums. Victorian Naturalist, 96 (3): 84-85.
  11. ^ Huffman, K., J. Nelson, J. Clarey, L. Krubitzer. 1999. Organization of Somatosensory Cortex in Three Species of Marsupials, Dasyurus hallucatus, Dactylopsila trivirgata, and Monodelphis domestica: Neural Correlates of Morphological Specializations. The Journal of Comparative Neurology, 403 (1): 5-32.
  12. ^ Broome, L., D. Lindenmayer. 2001. Ringtails, Pygmy Possums, and Gliders. Pp. 834-839 in D MacDonald, S Norris, eds. The Encyclopedia of Mammals. New York: Barnes & Noble Books.
  13. ^ Laurance, S., W. Laurance. 1999. Tropical Wildlife Corridors: Use of Linear Rainforest Remnants by Arboreal Mammals. Biological Conservation, 91: 231-239.

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Dactylopsila trivirgata: Brief Summary ( Italian )

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L'opossum striato grande (Dactylopsila trivirgata Gray, 1858) è un marsupiale arboricolo della famiglia dei Petauridi.

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Gestreepte buideleekhoorn ( Dutch; Flemish )

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De gestreepte buideleekhoorn (Dactylopsila trivirgata) is een klimbuideldier uit het geslacht Dactylopsila. Het is de enige soort uit dit geslacht die ook voorkomt in Australië. De overige soorten leven alleen op het eiland Nieuw-Guinea en omliggende eilanden, waar de gestreepte buideleekhoorn ook leeft.

Uiterlijk

De gestreepte buideleekhoorn heeft een lichaamslengte van 25 tot 27 cm en een staart van 31–34 cm lang. Het gewicht bedraagt 245 tot 570 gram. Het is een slankgebouwd klimbuideldier met witte en zwarte strepen die in de lengterichting van het lichaam lopen. De staart is zwart met een witte punt. Uit zijn staartklieren kan hij een akelige, penetrante geur afscheiden, die doet denken aan een skunk.

Leefwijze

De gestreepte buideleekhoorn is een nachtactief dier en leeft in de bomen. Overdag slaapt dit dier in een nest gemaakt van bladeren. Het is een snelle en behendige klimmer die goed kan springen. De gestreepte buideleekhoorn is een insecteneter en dit dier is goed aan deze leefwijze aangepast. Een hielachtige structuur op de pols wordt gebruikt om op hout te kloppen om zo kevers, rupsen of andere insectenlarven te lokaliseren. Met de scherpe ondertanden wordt vervolgens het hout enigszins weggebeten, waarna de lange tong of de verlengde vierde vinger vervolgens gebruikt wordt om de prooi uit het hout te halen. Verder worden ook andere insecten als mieren en termieten, en vruchten, zaden en bloemen gegeten, maar ook vogeltjes en kleine zoogdieren staan op zijn menukaart. Gewoonlijk worden bij de gestreepte buideleekhoorn twee jongen geboren.

Leefgebied

De gestreepte buideleekhoorn leeft in de regenwouden van Nieuw-Guinea en Australië. In Nieuw-Guinea is de soort wijdverspreid over de laagland- en bergbossen tot 2300 meter; ook op de nabijgelegen eilanden de Aru-eilanden, Japen en Waigeo is dit dier gevonden. In Australië leeft dit klimbuideldier alleen in het Kaap York-schiereiland in het noordoosten van de staat Queensland. De gestreepte buideleekhoorn is te vinden in de bosgebieden van de Iron Range in het noorden tot Mount Spec bij Townsville in het zuiden. Deze soort is waarschijnlijk in Nieuw-Guinea geëvolueerd en heeft zich vervolgens naar Australië verspreid.

Binnen het verspreidingsgebied van de gestreepte buideleekhoorn worden vier ondersoorten erkend: Dactylopsila trivirgata picata Thomas, 1908 in Australië, D. trivirgata kataui Matschie, 1916 bij de monding van de Fly River, D. trivirgata melampus Thomas, 1908 in het zuiden van Papoea-Nieuw-Guinea, en D. trivirgata trivirgata in de rest van Nieuw-Guinea en op de Aru-eilanden. Verschillende andere voorgestelde (onder)soorten worden nu als synoniem van D. trivirgata gezien.

De gestreepte buideleekhoorn is overigens bij lange na niet de enige diersoort in Noord-Queensland die een groep vertegenwoordigt die grotendeels op Nieuw-Guinea leeft. Andere bekende voorbeelden zijn de boomkangoeroes (Dendrolagus), de echte koeskoezen (Phalanger) en de kasuaris (Casuarius casuarius).

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Gestreepte buideleekhoorn: Brief Summary ( Dutch; Flemish )

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De gestreepte buideleekhoorn (Dactylopsila trivirgata) is een klimbuideldier uit het geslacht Dactylopsila. Het is de enige soort uit dit geslacht die ook voorkomt in Australië. De overige soorten leven alleen op het eiland Nieuw-Guinea en omliggende eilanden, waar de gestreepte buideleekhoorn ook leeft.

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Dactylopsila trivirgata ( Portuguese )

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Dactylopsila trivirgata é uma espécie de marsupial da família Petauridae. Pode ser encontrada na ilha de Nova Guiné e na Austrália.

Referências

  • GROVES, C. P. Order Diprotodontia. In: WILSON, D. E.; REEDER, D. M. (Eds.). Mammal Species of the World: A Taxonomic and Geographic Reference. 3. ed Baltimore: Johns Hopkins University Press, 2005. v. 1, p. 43-70.
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Dactylopsila trivirgata: Brief Summary ( Portuguese )

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Dactylopsila trivirgata é uma espécie de marsupial da família Petauridae. Pode ser encontrada na ilha de Nova Guiné e na Austrália.

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Vakoveverica trojpása ( Slovak )

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Vakoveverica trojpása

Vakoveverica trojpása (lat. Dactylopsila trivirgata) je druh z čeľade vakovevericovité. Ľahko poznateľná podľa nápadných čiernobielych pruhov, ktoré pripomínajú pruhy skunka. Vakoveverica trojpása má tiež prenikavý, len ťažko odstraniteľný pach.

Výskyt

V severnom Queeslandu, v dažďových lesoch pozdĺž pobrežia, okrem toho i na Novej Guinei.

Základné dáta

Dĺžka vakoveverice trojpásej je 25 až 27 cm. Jej hmotnosť je 250 až 400 g.

Zaujímavosti

Je typickým zvieraťom dažďového lesa, šplhajúcim vo vetvičkách stromov s ohromujúcou zručnosťou a rýchlosťou. Pri hľadaní hmyzu prezerá predovšetkým dutiny vetiev, duté stromy a štrbiny pod borkou stromov. Živí sa však i bobulami, plodmi a medom. Vyťahuje larvy z dreva pazúrom štvrtého prstu a pomocou dlhého jazyka. Akokoľvek je hojne rozšírená je ju pozorovať jen zriedka.

Zdroj

  • Tento článok je čiastočný alebo úplný preklad článku Vakoveverka páskovaná na českej Wikipédii (číslo revízie nebolo určené).
  • Slovenský názov podľa knihy Zviera

Iné projekty

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Vakoveverica trojpása: Brief Summary ( Slovak )

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 src= Vakoveverica trojpása

Vakoveverica trojpása (lat. Dactylopsila trivirgata) je druh z čeľade vakovevericovité. Ľahko poznateľná podľa nápadných čiernobielych pruhov, ktoré pripomínajú pruhy skunka. Vakoveverica trojpása má tiež prenikavý, len ťažko odstraniteľný pach.

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Dactylopsila trivirgata ( Swedish )

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Dactylopsila trivirgata[2][3][4] är en pungdjursart som beskrevs av Alan Maurice Gray 1858. Dactylopsila trivirgata ingår i släktet strimmiga falangrar och familjen flygpungekorrar.[5][6] IUCN kategoriserar arten globalt som livskraftig.[1]

Pungdjuret förekommer på Nya Guinea, i västra delen av Kap Yorkhalvön (Australien) samt på några mindre öar i samma region. Arten vistas främst i låglandet i tropiska regnskogar och andra skogar.[1]

Underarter

Arten delas in i följande underarter:[5]

  • D. t. kataui
  • D. t. melampus
  • D. t. picata
  • D. t. trivirgata

Källor

  1. ^ [a b c] 2008 Dactylopsila trivirgata Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 2012-1024.
  2. ^ Wilson, Don E., and DeeAnn M. Reeder, eds. (1992) , Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing
  3. ^ (1998) , website Dactylopsila trivirgata, Mammal Species of the World
  4. ^ Wilson, Don E., and DeeAnn M. Reeder, eds. (2005) , Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vols. 1 & 2
  5. ^ [a b] Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (5 april 2011). ”Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. Arkiverad från originalet den 18 juni 2012. https://web.archive.org/web/20120618223324/http://www.catalogueoflife.org/services/res/2011AC_26July.zip. Läst 24 september 2012.
  6. ^ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 2011-04-26

Externa länkar

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Dactylopsila trivirgata: Brief Summary ( Swedish )

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Dactylopsila trivirgata är en pungdjursart som beskrevs av Alan Maurice Gray 1858. Dactylopsila trivirgata ingår i släktet strimmiga falangrar och familjen flygpungekorrar. IUCN kategoriserar arten globalt som livskraftig.

Pungdjuret förekommer på Nya Guinea, i västra delen av Kap Yorkhalvön (Australien) samt på några mindre öar i samma region. Arten vistas främst i låglandet i tropiska regnskogar och andra skogar.

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Dactylopsila trivirgata ( Vietnamese )

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Dactylopsila trivirgata là một loài động vật có vú trong họ Petauridae, bộ Hai răng cửa. Loài này được Gray mô tả năm 1858.[2]

Hình ảnh

Chú thích

  1. ^ Salas, L., Dickman, C., Helgen, K., Burnett, S. & Martin, R. (2008). Dactylopsila trivirgata. 2008 Sách đỏ IUCN. Liên minh Bảo tồn Thiên nhiên Quốc tế 2008. Truy cập ngày 28 tháng 12 năm 2008. Database entry includes justification for why this species is of least concern
  2. ^ a ă Wilson, D. E.; Reeder, D. M. biên tập (2005). “Dactylopsila trivirgata”. Mammal Species of the World . Baltimore: Nhà in Đại học Johns Hopkins, 2 tập (2.142 trang). ISBN 978-0-8018-8221-0. OCLC 62265494.

Tham khảo


Hình tượng sơ khai Bài viết liên quan đến động vật có vú này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Dactylopsila trivirgata: Brief Summary ( Vietnamese )

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Dactylopsila trivirgata là một loài động vật có vú trong họ Petauridae, bộ Hai răng cửa. Loài này được Gray mô tả năm 1858.

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줄무늬주머니쥐 ( Korean )

provided by wikipedia 한국어 위키백과

줄무늬주머니쥐(Dactylopsila trivirgata)는 주머니하늘다람쥐과에 속하는 유대류의 일종이다.[3] 머리에서 꼬리까지 검은색 몸 위에 세 줄의 흰줄무늬가 이어지며, 머리의 흰줄무늬는 "와이"(Y)형태를 보인다. 유대하늘다람쥐의 근연종으로 겉모습이 닮았다.

분포 지역

줄무늬주머니쥐는 오스트레일리아 퀸즐랜드 주 케이프요크 반도 동해안을 따라 남쪽으로 타운즈빌까지의 열대우림과 유칼립투스 산림 지역에서도 살지만 뉴기니섬에서 더 흔하게 서식하며,[3] 인근 지역의 여러 작은 섬에서도 발견된다. 오스트레일리아 대륙에서는 흔하지 않고, 희귀종이다.[4]

특징

줄무늬주머니쥐는 겉보기에는 검고 흰 다람쥐처럼 보인다. 홀로 생활하며 거의 야행성 동물이고, 나무 가지 위에 보금자리를 만든다.[4] 몸길이는 약 263mm이고 꼬리 길이는 325mm, 몸무게는 423g이다.[5] 그리고 꼬리에 물건을 쥐는 힘을 가지고 있다.[3] 네 번째 손가락이 다른 종들에 비해 가늘고 길어서,(열대 우림의 다른 포유류와 아이아이의 세 번째 손가락처럼) 나무 껍질에서 딱정벌레와 애벌레 등을 잡을 수 있기 때문에[6] 일종의 "포유류 딱따구리"(mammalian woodpecker)로도 불린다.[7] 그리고 나무의 잎, 열매 그리고 작은 척추동물도 먹는다.[3]

각주

  • Drury, Susan (1981) Native Animals of Australia. Macmillan Pocket Guide. Macmillan Company of Australia, Melbourne, Victoria. ISBN 0-333-33755-7.
  • Marlow, Basil (1981). Marsupials of Australia. Amended edition. First published in 1962. Hesperian Press, Victoria Park, Western Australia.
  • Ryan, Michelle and Chris Burwell, editors (2000). Wildlife of Tropical North Queensland. Queensland Museum, Brisbane. ISBN 0-7242-9349-3.
  • Briggs, Mike; Briggs, Peggy (2004). 《The Encyclopedia of World Wildlife》. Paragon. ISBN 1-4054-3679-4.
  1. Groves, C.P. (2005). Wilson, D.E.; Reeder, D.M., 편집. 《Mammal Species of the World: A Taxonomic and Geographic Reference》 (영어) 3판. 존스 홉킨스 대학교 출판사. 54쪽. ISBN 0-801-88221-4. OCLC 62265494.
  2. “Dactylopsila trivirgata”. 《멸종 위기 종의 IUCN 적색 목록. 2008판》 (영어). 국제 자연 보전 연맹. 2008. 2008년 12월 28일에 확인함.
  3. McKay, G. (Ed.). (1999). Mammals (p. 60). San Francisco: Weldon Owen Inc. ISBN 1-875137-59-9
  4. Marlow (1981), p. 80.
  5. Ryan and Burwell (20000), p. 339.
  6. Rawlins, D. R; Handasyde, K. A. (2002). “The feeding ecology of the striped possum Dactylopsila trivirgata (Marsupialia: Petauridae) in far north Queensland, Australia”. 《J. Zool., Lond.》 (Zoological Society of London) 257: 195–206. doi:10.1017/S0952836902000808. 2010년 4월 9일에 확인함.
  7. Beck, R. M. D. (2009). “Was the Oligo-Miocene Australian metatherian Yalkaparidon a ‘mammalian woodpecker’?”. 《Biological Journal of the Linnean Society》 (The Linnean Society of London) 97: 1–17. doi:10.1111/j.1095-8312.2009.01171.x. 2010년 4월 20일에 확인함.[깨진 링크(과거 내용 찾기)]
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