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The average life span of A. rufescens is greater than five years, and captive animals have been known to live for eight years (Nowak, 1997).
Distribution over the known range is discontinuous and may be contingent upon food and shelter availability. It is believed that the former range of A. rufescens was more expansive prior to European occupation, extending even further south into northeastern Victoria. Remains of these creatures have also been found in southwestern Victoria and on Flinders Island near Tasmania (Nowak, 1997). Theories as to the cause of this species' declining range include the introduction of and subsequent predation by foxes, agricultural land clearing and cattle grazing, as well as long-term climatic fluctuation (Johnson, 1983; Nowak, 1997; Troughton, 1962).
Aepyprymnus in their natural habitat are not afraid of humans at night.
Perception Channels: tactile ; chemical
Aepyprymnus rufescens currently is common (Straham, 1995), although the range has been reduced. The IUCN Red List Category is given as Low Risk (Biodiversity Group, 1996).
IUCN Red List of Threatened Species: least concern
Aepyprymnus rufescens can become an irritating pest for crop farmers. During the dry season especially, they will eat plant roots, including potatoes and other tubers.
When taken at a young enough age, these animals can be tamed as pets.
Aepyprymnus rufescens emerges shortly after sunset to begin its search for food. Aepyprymnus eats a variety of grasses, herbaceous plants, and uses its well-adapted foreclaws to dig for roots, tubers, and underground fungi. These animals can eat entire plants including seeds, flowers, and leaves, however they are not strictly herbivorous (Strahan, 1995). Aepyprymnus occasionally chews on the bones of dead animals and digs larvae out of the ground to eat. In captivity they will accept a variety of foods. Aepyprymnus rufescens can extract enough water from this diet to forego drinking altogether except in times of drought, when it excavates a hole in creek beds to attempt to reach the water level for a drink (Nowak, 1997).
Aepyprymnus rufescens is the most widely distributed potoroid of the Australian region, ranging from northeastern Queensland to northeastern New South Wales. A colony can also be found on the border between New South Wales and Victoria, and occasionally along the northern Australian coast (Nowak, 1997; Ride, 1970).
Biogeographic Regions: australian (Native )
Aepyprymnus rufescens live predominately in open, temperate conditions from sea level to plateau tops. They thrive in grassy woodlands, coastal eucalypt forests, wet sclerophyll, and in low dry open woodlands with grassy understorey (Strahan, 1995). All A. rufescens build conical-shaped nests that have one entrance. Nests can be found in the hollows of fallen trees, under bushes, in grass clumps, or more rarely in open ground. Aepyprymnus rufescens use materials such as grass, hay, straw, dry ferns, and fibrous vegetation to build their nests. They pick this material up with their forepaws and pass it down the body to the tail which places the material in the nest. Replacement grass is arranged in the nest by lifting up older building material with the nose to create space. Aepyprymnus rufescens use up to five nests at any one time, and it has been proposed that nest building may only occur in the winter. On a monthly basis new nests are added as old nests are abandoned, and abandoned nests may be rebuilt and used by a neighboring A. rufescens.
Terrestrial Biomes: savanna or grassland
Average lifespan
Status: wild: 6.0 years.
Average lifespan
Status: captivity: 8.0 years.
Aepyprymnus rufescens is the largest living secies of rat kangaroo. Adult males weigh between 2.27kg and 3.0kg; adult females weigh between 1.36kg and 3.6kg. Body length ranges from
37.5cm to 52.0cm; tail length from 35 to 40cm; total length from 72.5cm to 90.0cm; and height approximately 35.0cm.
The name "rufescens" refers to the animal's reddish-brown coat color. This pelage is often described as grizzled, containing stiff, sliver-white hairs. Its hair-covered snout and the black hair on the back of its ears further distinguish this species. Aepyprymnus rufescens has a very faint whitish hip stripe, and its underside is noticeably lighter than the dorsal side (Troughton, 1962). The curved foreclaws of this species are well adapted for the scratching and excavating that aid in its food gathering. The hindfoot of A. rufescens lacks the first toe, and the third digit is proportionately longer than the rest (Strahan, 1995). The tail is semi-prehensile, thick, and evenly haired.
The skull of A. rufescens is short and broad compared to other potoroids. The frontal bone articulates with the squamosal region of the temporal bone, and the angular process forms a prominent shelf. Palatine fenestration varies within the species, however fenestrae are remarkably smaller or absent in the A. rufescens as compared to other potoroids. Aepyprymnus rufescens has a dental formula 3/1, 1/0, 1/1, 4/4. The first upper incisors are long, sharp, and blade-like. The second and third upper incisors are smaller and laterally displaced (Triggs, 1996). Characteristic of Diprotodontia, the first lower incisors project forward from the dentary. Diastemae are present but reduced, and canines appear in the upper jaw. The premolar is plagialaucoid; the molars erupt at approximately the same time and are bunodont (Ganslosser, 1990; Triggs, 1996).
Range mass: 1.36 to 3.6 kg.
Average mass: 0.00248 kg.
Other Physical Features: endothermic ; bilateral symmetry
Average basal metabolic rate: 5.978 W.
Aepyprymnus rufescens is polyestrous, with an estrus cycle occurring approximately every 34 days. Breeding can occur at any time during the year, but there is insufficient data from both captive and wild species to indicate a particular breeding season. Females reach sexual maturity in the 11th month, males between 12 and 13 months. Males visit female nests within their territory every night to determine if the female is sexually receptive. As the female approaches ovulation, the male waits either by the female or by her nest until she is sexually receptive. Both sexes can let out low growls during investigational behavior, which usually includes sniffing of the female by the male. A receptive female allows the male to smell her cloacal and pouch areas, and eventually permits copulation (Ganslosser, 1990).
Males will try to mount the female regardless of warning signals exhibited by unreceptive females. These females try to drive away courting males by making loud growling sounds, striking at the male with her forepaws, and dropping to her side and kicking at the male with her powerful hindlimbs (Ganslosser, 1990). In response to this attack, A. rufescens males often stamp one outstretched hind foot near the female and thresh their tails.
Once successful copulation has been achieved, the embryo has a gestational period of 22-24 days. After this time the embryo is born and affixes itself to one of the mother's four teats found in her pouch. The newborn young weighs approximately 1g at birth. Within one day of parturition, the female will mate again to produce a quiescent blastocyte. The newborn will remain in the pouch for approximately 114 days (7-8 weeks) before it is weaned. Aepyprymnus rufescens do not permanently leave the pouch until the 16th week. The juvenille animal stays with its mother for the ensuing seven weeks while it learns to feed, is groomed and shares its mothers nest. Aepyprymnus rufescens normally have one young per birth, however twins are not uncommon.
Key Reproductive Features: gonochoric/gonochoristic/dioecious (sexes separate); sexual
Average gestation period: 23 days.
Average number of offspring: 1.
Average age at sexual or reproductive maturity (male)
Sex: male: 380 days.
Average age at sexual or reproductive maturity (female)
Sex: female: 333 days.
El cangur rata vermellós (Aepyprymnus rufescens) és una petita espècie de marsupial australià de la família dels potoròids. Viu en regions costaneres i subcostaneres, des de Newcastle (Nova Gal·les del Sud) fins a Cooktown (Queensland) i antigament també a la vall del riu Murray de Nova Gal·les del Sud i Victòria.[1] No se'l classifica com a espècie amenaçada.[2]
El cangur rata vermellós (Aepyprymnus rufescens) és una petita espècie de marsupial australià de la família dels potoròids. Viu en regions costaneres i subcostaneres, des de Newcastle (Nova Gal·les del Sud) fins a Cooktown (Queensland) i antigament també a la vall del riu Murray de Nova Gal·les del Sud i Victòria. No se'l classifica com a espècie amenaçada.
Das Rote Rattenkänguru (Aepyprymnus rufescens) ist eine Beutelsäugerart aus der Familie der Rattenkängurus (Potoroidae). Es ist der größte und gleichzeitig am weitesten verbreitete Vertreter seiner Familie.
Im Vergleich zu den anderen Rattenkängurus ist der Schädel dieser Tiere eher breit und kurz, die Hinterbeine sind wie bei fast allen Rattenkängurus deutlich kürzer als bei den eigentlichen Kängurus. Die Vorderpfoten tragen Krallen, die zum Ausgraben der Nahrung dienen. Das Fell dieser Tiere ist an der Oberseite grau gefärbt, oft mit einem rötlichen Schimmern, die Unterseite ist heller, fast weißlich. Charakteristisch sind die spitzen Ohren, deren Rückseite schwarz behaart ist. Rote Rattenkängurus erreichen eine Kopfrumpflänge von 38 bis 52 Zentimetern und ein Gewicht von bis zu 3,5 Kilogramm, wobei die Weibchen deutlich schwerer werden als die Männchen.
Rote Rattenkängurus sind an der Ostküste Australiens beheimatet, ihr Verbreitungsgebiet reichte vom nordöstlichen Queensland bis in das nordöstliche Victoria. Sie bewohnen eine Reihe von Lebensräumen, darunter offene Wälder und Grasländer. Sie sind nachtaktiv und ruhen tagsüber in selbstgebauten Nestern. Diese Nester sind kegelförmig und bestehen aus Gräsern, Zweigen und Farnen, sie werden meistens in hohlen Baumstämmen oder unter Buschen, selten im freien Gelände errichtet. Ein Tier kann bis zu fünf solche Nester besitzen, die es immer wieder verwendet.
Rote Rattenkängurus leben in der Regel einzelgängerisch, manchmal kommt es aber zu losen, kurzlebigen Zusammenschlüssen mehrerer Tiere ohne Sozialstrukturen. Männchen reagieren allerdings oft äußerst aggressiv auf Geschlechtsgenossen.
Diese Tiere sind Allesfresser, ernähren sich aber vorwiegend von Pflanzen. Mit ihren Vorderpfoten graben sie nach Wurzeln und Pilzen, auch Gräser und Pflanzenstängel stehen auf ihrem Speiseplan. Gelegentlich nehmen sie auch Insektenlarven und Aas zu sich.
Nach einer rund 22- bis 24-tägigen Tragzeit bringt das Weibchen meist ein einzelnes Jungtier zur Welt. Neugeborene Tiere wiegen rund ein Gramm und verbringen die ersten vier Lebensmonate im Beutel. Anschließend bleiben sie noch rund zwei Monate bei ihrer Mutter, bevor sie selbständig werden. Die Geschlechtsreife tritt mit rund einem Jahr ein. Das Höchstalter eines Tieres in menschlicher Obhut betrug acht Jahre.
Rote Rattenkängurus sind in ihrem Verbreitungsgebiet relativ häufig. Im Gegensatz zu anderen Rattenkängurus findet man sie auch oft in der Nähe von Rinderweiden. Im Süden sind sie seltener – so sind sie aus Victoria verschwunden; aber generell zählen sie nicht zu den bedrohten Arten.
Das Rote Rattenkänguru (Aepyprymnus rufescens) ist eine Beutelsäugerart aus der Familie der Rattenkängurus (Potoroidae). Es ist der größte und gleichzeitig am weitesten verbreitete Vertreter seiner Familie.
The rufous rat-kangaroo or rufous bettong (Aepyprymnus rufescens) is a small, jumping, rat-like marsupial native to eastern Australia. It is the only species in the genus Aepyprymnus. The largest member of the potoroo/bettong family (Potoroidae), it is about the size of a rabbit. The rufous rat-kangaroo is active at night when it digs for plant roots and fungi, and like other marsupials it carries its young in a pouch. Though its range is reduced, the population is healthy and stable.[2]
The rufous rat-kangaroo is the only member of its genus, and is the largest of all the potoroids. It is generally grey with a hint of reddish brown and its scientific name means "reddish high-rump".[5] It was once thought of as a solitary, nocturnal animal, but recent observation indicates that the rufous rat-kangaroo may form loose, polygynous associations.[5] It feeds mostly on tubers and fungi, but also on leaves and other vegetation.[6]
A species of the family Potoroidae (potoroos & bettongs), small to medium marsupials that include the living Potorous (potoroos) and Bettongia (bettongs). They are not closely related to others of the family, and the largest extant potoroine species, and their characteristics have them placed within a monotypic genus.
Aepyprymnus rufescens is distinguished by the ruffled and bristly hair of the pelage and rufous tint of the fur at the upper parts. The hair across the back is predominantly grey, the rufous tinge more evident, and is interspersed with silvery hairs. An indistinct stripe appears at the hip line. The underparts are also grey, although paler. The combined head and body length is 385 to 390 millimetres. The tail may be from 340 to 390 mm in length, and excepting a white tip that may appear the colour is overall grey-brown. The ears are comparatively long, 48 to 57 mm, with a triangular form. The colour of the ears is very dark at the outer side and pink at the interior, the fringe is lined with silver hairs. A hairless pink rim appears around the eye. The weight range is from 2.5 to 3.5 kilograms.[7]
A similar species, the northern Bettongia tropica, may be distinguished by the lack of shaggy fur with a rufous tinge, their blackish tail, and this species hairless pink ring at the eye and pointy triangular ears.[7]
The vocalisation includes an alarm call, a soft hissing sound, another sound like a chainsaw when in aggressive postures and they regularly emit a grunting noises during normal activity.[7]
Breeding occurs throughout the year, once the female has reached maturity, generally at 11 months. The male reaches maturity between 12 and 13 months. Once mature, the female is capable of breeding at three-week intervals. The gestation of the young is about 22–24 days. After the young are born, they live within the pouch for about 16 weeks. Upon leaving the pouch, the joey stays near the mother for about 7 weeks, while it gets used to fending for itself.[5]
The species may share nests or be solitary, a male may cohabit with one or two females. The nest is located beneath a dense under-story of vegetation, a shallow clearing that is matted with woven plant material. The foraging activity is strictly nocturnal, they will only emerge after sunset and return to the nest before first light. The posture varies with the activity of the species, assuming an upright position on the hind parts to survey its surroundings, drawing the forelimbs to the chest when hopping rapidly away from a threat, and resting on all four limbs and the tail when slowly moving during feeding.[7]
The favoured foods are subterranean fruiting bodies of fungi and tubers, and the species have strong clawed forelimbs that allow them to excavate these. Other foodstuffs consumed include some insect larvae, the stems of sedge-like plants, grasses and seeds.[7]
The museum collector Charles M. Hoy noted that the species entered his camp at night, eating pieces of bread but ignoring the vegetable scraps.[8]
It is found in coastal and subcoastal regions from Newcastle in New South Wales to Cooktown in Queensland, and was formerly found in the Murray River Valley of New South Wales and Victoria.[7][6]
The rufous rat-kangaroo or rufous bettong (Aepyprymnus rufescens) is a small, jumping, rat-like marsupial native to eastern Australia. It is the only species in the genus Aepyprymnus. The largest member of the potoroo/bettong family (Potoroidae), it is about the size of a rabbit. The rufous rat-kangaroo is active at night when it digs for plant roots and fungi, and like other marsupials it carries its young in a pouch. Though its range is reduced, the population is healthy and stable.
El canguro rata rojizo (Aepyprymnus rufescens)[2] es una especie de marsupial diprotodonto de la familia Potoroidae. Es la única especie de su género y es endémico de Australia.[3]
El canguro rata rojizo (Aepyprymnus rufescens) es una especie de marsupial diprotodonto de la familia Potoroidae. Es la única especie de su género y es endémico de Australia.
Aepyprymnus rufescens Aepyprymnus generoko animalia da. Martsupialen barruko Diprotodontia ordeneko animalia da. Potoroidae familian sailkatuta dago.
Aepyprymnus rufescens Aepyprymnus generoko animalia da. Martsupialen barruko Diprotodontia ordeneko animalia da. Potoroidae familian sailkatuta dago.
Punarottakenguru (Aepyprymnus rufescens) on Australiassa elävä pussieläin, joka kuuluu rottakenguruiden heimoon ja on Aepyprymnus-sukunsa ainoa laji.[2] Sitä tavataan laajalla alueella Australian itä- ja koillisrannikolla, jossa se on elinvoimainen.[1] Se on yöeläin, joka liikkuu yleensä metsissä ja ruohostomailla.[1]
Punarottakenguru (Aepyprymnus rufescens) on Australiassa elävä pussieläin, joka kuuluu rottakenguruiden heimoon ja on Aepyprymnus-sukunsa ainoa laji. Sitä tavataan laajalla alueella Australian itä- ja koillisrannikolla, jossa se on elinvoimainen. Se on yöeläin, joka liikkuu yleensä metsissä ja ruohostomailla.
Rat-kangourou rougeâtre
Le Rat-kangourou rougeâtre[1] (Aepyprymnus rufescens), appelé aussi Bettongie rousse ou Rat-kangourou roux[2], est une espèce de marsupiaux de la famille des Potoroidae, endémique d'Australie. C'est la seule espèce du genre Aepyprymnus.
Il mesure 38 cm de la tête au départ de la queue, avec une queue de 34 cm et pèse 3 kg. Il a un pelage gris avec des reflets roux, de longues pattes arrière avec de grands pieds et un gros premier orteil. Comme les marsupiaux, il saute sur ses pattes arrière, se dirigeant avec ses pattes avant et transporte les matériaux pour faire son nid avec sa queue.
On le trouve dans les régions côtières et l'arrière pays depuis Newcastle dans la Nouvelle-Galles du Sud jusqu'à Cooktown dans le Queensland. On le trouvait avant dans le bassin de la Murray River.
Il se nourrit d'herbes, de feuilles, de racines, de tubercules, de champignons.
C'est un animal terrestre, nocturne qui vit solitaire.
La femelle atteint la maturité sexuelle à 11 mois et le mâle entre 12 et 13 mois. La femelle peut alors se reproduire toutes les 3 semaines[réf. nécessaire]. la gestation est de 22 à 24 jours puis le petit passe 16 semaines dans la poche marsupiale. Il passe encore les sept semaines suivantes avec sa mère avant de s'affranchir complètement d'elle.
Planche de John Gould.
Petit avec sa mère.
Rat-kangourou rougeâtre
Le Rat-kangourou rougeâtre (Aepyprymnus rufescens), appelé aussi Bettongie rousse ou Rat-kangourou roux, est une espèce de marsupiaux de la famille des Potoroidae, endémique d'Australie. C'est la seule espèce du genre Aepyprymnus.
Il ratto canguro rossiccio (Aepyprymnus rufescens Gray, 1837), noto anche come bettongia rossiccia, è una piccola specie della famiglia dei Potoroidi diffusa in Australia. Vive nelle regioni costiere e sub-costiere che vanno da Newcastle, nel Nuovo Galles del Sud, a Cooktown, nel Queensland; in passato si trovava anche nella valle del Fiume Murray, in Nuovo Galles del Sud e Victoria[3]. Non è ritenuto una specie minacciata[2].
Il ratto canguro rossiccio è l'unico membro del suo genere ed è la specie più grande tra tutti i Potoroidi. Generalmente ha un mantello di colore grigio con riflessi bruno-rossastri e il suo nome scientifico significa infatti groppa-alta rossastra[4]. Un tempo si riteneva fosse un animale solitario e notturno, ma recenti osservazioni indicano che possa costituire piccole associazioni poliginiche[4]. Si nutre in gran parte di tuberi e funghi, ma anche di foglie ed altra vegetazione[3].
La riproduzione può avvenire in ogni periodo dell'anno, una volta che la femmina ha raggiunto la maturità. Questo avviene generalmente a 11 mesi. Il maschio la raggiunge tra i 12 e i 13. Una volta matura, la femmina è in grado di riprodursi a intervalli di tre settimane. Se la fecondazione va a buon fine, la gestazione dura meno di un mese, circa 22-24 giorni. Il piccolo, che nasce completamente sviluppato, vive all'interno del marsupio per circa 16 settimane. Lasciato il marsupio, trascorrerà con la madre le successive 7 settimane, durante le quali imparerà a nutrirsi da solo[4].
Il ratto canguro rossiccio (Aepyprymnus rufescens Gray, 1837), noto anche come bettongia rossiccia, è una piccola specie della famiglia dei Potoroidi diffusa in Australia. Vive nelle regioni costiere e sub-costiere che vanno da Newcastle, nel Nuovo Galles del Sud, a Cooktown, nel Queensland; in passato si trovava anche nella valle del Fiume Murray, in Nuovo Galles del Sud e Victoria. Non è ritenuto una specie minacciata.
Il ratto canguro rossiccio è l'unico membro del suo genere ed è la specie più grande tra tutti i Potoroidi. Generalmente ha un mantello di colore grigio con riflessi bruno-rossastri e il suo nome scientifico significa infatti groppa-alta rossastra. Un tempo si riteneva fosse un animale solitario e notturno, ma recenti osservazioni indicano che possa costituire piccole associazioni poliginiche. Si nutre in gran parte di tuberi e funghi, ma anche di foglie ed altra vegetazione.
La riproduzione può avvenire in ogni periodo dell'anno, una volta che la femmina ha raggiunto la maturità. Questo avviene generalmente a 11 mesi. Il maschio la raggiunge tra i 12 e i 13. Una volta matura, la femmina è in grado di riprodursi a intervalli di tre settimane. Se la fecondazione va a buon fine, la gestazione dura meno di un mese, circa 22-24 giorni. Il piccolo, che nasce completamente sviluppato, vive all'interno del marsupio per circa 16 settimane. Lasciato il marsupio, trascorrerà con la madre le successive 7 settimane, durante le quali imparerà a nutrirsi da solo.
Aepyprymnus rufescens (olim Bettongia rufescens binomen a Garrod anno 1875 factum; Anglice: rufous rat-kangaroo, rufous bettong) est herbivorum familiae Potoroidarum Marsupiale, in Australia endemicum.
Distributio
Aepyprymnus rufescens
Aepyprymnus rufescens
Vide "Aepyprymnum rufescentem" apud Vicispecies. 
Haec stipula ad mammale spectat. Amplifica, si potes! Aepyprymnus rufescens (olim Bettongia rufescens binomen a Garrod anno 1875 factum; Anglice: rufous rat-kangaroo, rufous bettong) est herbivorum familiae Potoroidarum Marsupiale, in Australia endemicum.
De rode kangoeroerat (Aepyprymnus rufescens), ook wel rode ratkangoeroe, is een kangoeroerat uit de familie Potoroidae. Deze soort leeft in het oosten van Australië en is de enige soort van het geslacht Aepyprymnus.
De rode kangoeroerat heeft een lichaamslengte van 37 tot 52 cm[2] en een staart van 35 tot 40 cm lang. Het gewicht bedraagt 1.3 tot 3.6 kg. De vacht is grijs tot roodgrijs van kleur, plaatselijk zelfs wit.
De rode kangoeroerat is een solitair levend dier. De dag wordt doorgebracht in een op de bosbodem gemaakt kegelvormig nest, gemaakt van gras en stengeltjes en tijdens de schemering en de nacht gaat dit dier op zoek naar voedsel, dat bestaat uit paddenstoelen, gras, wortels, bladeren, bloemen, zaden en kleine ongewervelden. Het enige jong verlaat na 16 weken de buidel.
De rode kangoeroerat leeft op de boomsavannes van de Australische oostkust. Het verspreidingsgebied liep oorspronkelijk van Queensland via Nieuw-Zuid-Wales tot het noordoosten van Victoria. In de vallei van de rivier Murray is de soort nu verdwenen en tegenwoordig leeft de rode kangoeroerat nog van Cooktown in Queensland tot Newcastle in Nieuw-Zuid-Wales.
Bronnen, noten en/of referentiesDe rode kangoeroerat (Aepyprymnus rufescens), ook wel rode ratkangoeroe, is een kangoeroerat uit de familie Potoroidae. Deze soort leeft in het oosten van Australië en is de enige soort van het geslacht Aepyprymnus.
Multimedia w Wikimedia Commons Kangurzak rudawy[4] (Aepyprymnus rufescens) – gatunek ssaka z rodziny kanguroszczurowatych (Potoroidae). Jedyny gatunek w obrębie rodzaju kangurzak[2][4] (Aepyprymnus).
Występuje w lasach oraz na stepach na wschodzie Australii od Queensland do północno-wschodniej Wiktorii[2].
Kangurzak rudawy (Aepyprymnus rufescens) – gatunek ssaka z rodziny kanguroszczurowatych (Potoroidae). Jedyny gatunek w obrębie rodzaju kangurzak (Aepyprymnus).
Aepyprymnus rufescens é uma espécie de marsupial da família Potoroidae. É a única espécie descrita para o gênero Aepyprymnus. Endêmico da Austrália.
Aepyprymnus rufescens é uma espécie de marsupial da família Potoroidae. É a única espécie descrita para o gênero Aepyprymnus. Endêmico da Austrália.
Potkanokengura červenkastá (lat. Aepyprymnus rufescens) je druh potkanokengury, patrí do vačkovcov.
Vyskytuje sa na východe Austrálie.
Váži 2,5 až 3,5 kg a je dlhá 34 - 40 cm. Chvost má dĺžku 40 - 48 cm.
Má zvyčajne 1 mláďa, ktoré opúšťa vak po 16 týždňoch.
Commons ponúka multimediálne súbory na tému Potkanokengura červenkastá
Wikidruhy ponúkajú informácie na tému Potkanokengura červenkastá
Tento článok týkajúci sa živočíchov je zatiaľ „výhonok“. Pomôž Wikipédii tým, že ho doplníš a rozšíriš. Potkanokengura červenkastá (lat. Aepyprymnus rufescens) je druh potkanokengury, patrí do vačkovcov.
Råttkänguru eller röd opossumråtta (Aepyprymnus rufescens) är en art i familjen råttkänguruer (Potoroidae) och den enda arten i släktet Aepyprymnus.[2] Av alla råttkänguruer är den störst och den har även det största utbredningsområdet i familjen.
I motsats till de andra råttkänguruerna är djurets skalle kortare och bredare. De bakre extremiteterna är kortare än hos de egentliga kängurudjuren. Arten har klor vid de främre extremiteterna som används för att gräva i marken. Pälsen på djurets rygg har en grå färg med röd skugga, buken är ljusare, nästan vitaktig. Kännetecknande är de spetsiga öronen som på baksidan bär svarta hår. Råttkängurun når en kroppslängd mellan 38 och 52 centimeter samt en vikt upp till 3,5 kilogram, hannar blir betydligt större än honor.[3]
Arten förekommer vid Australiens östra kustlinje. Utbredningsområdet sträcker sig från nordöstra Queensland till sydöstra New South Wales.[4] Tidigare fanns den även i delstaten Victoria.[5] Råttkängurun lever i olika habitat, däribland öppna skogar och gräsland. Djuret är aktivt på natten och vilar på dagen i självbyggda bon.[3] Dessa bon är klotformiga och består av gräs, kvistar och ormbunkar, ofta göms de i trädens håligheter eller bland buskar, sällan finns de på öppna ytor. En enda individ kan ha upp till fem bon som den använder periodvis. Under dagens hetaste timmar söker individerna ibland skydd i jordhålor.[6]
Råttkängurun lever främst ensam men ibland finns grupper av ett fåtal individer, men de visar inget socialt beteende.[7] Mellan hannar uppstår ibland aggressioner.
Arten är allätare men livnär sig främst av växtdelar. Med sina främre extremiteter gräver den efter rötter och svampar men den äter även gräs och andra växtdelar.[5] Ibland har den insekter eller as som föda. Råttkängurun täcker sitt vätskebehov främst med födan men den dricker ifall vattnet är lätt tillgängligt. Den vandrar upp till 4,5 km per natt för att hitta födan.[6]
I princip kan honor vara brunstiga under alla årstider. Bara under längre tider med ogynnsamma väderförhållanden sker ingen fortplantning. Honor parar sig allmänt kort efter ungens födelse och sedan vilar det befruktade ägget eller embryon tills det äldre syskonet lämnar pungen.[6]
Efter dräktigheten som varar i 22 till 24 dagar föder honan oftast en unge.[3] Nyfödda individer väger vid födelsen bara ett gram och stannar cirka fyra månader i honans pung (marsupium). Efteråt stannar de ytterligare två månader (7 veckor) hos modern innan de blir självständiga.[7] Efter ungefär ett år är ungen könsmogen. Den äldsta kända individen i fångenskap blev åtta år gammal.[3]
Råttkängurun är jämförelsevis talrik men de hotas i viss mån av introducerade rovdjur som rödrävar.[3] I motsats till andra råttkänguruer vistas de ofta i närheten av tamboskap. IUCN listar arten som livskraftig (LC).[1]
Råttkänguru eller röd opossumråtta (Aepyprymnus rufescens) är en art i familjen råttkänguruer (Potoroidae) och den enda arten i släktet Aepyprymnus. Av alla råttkänguruer är den störst och den har även det största utbredningsområdet i familjen.
Aepyprymnus rufescens là một loài động vật có vú trong họ Potoroidae, bộ Hai răng cửa. Loài này được Gray mô tả năm 1837.[2]
Phương tiện liên quan tới Aepyprymnus rufescens tại Wikimedia Commons
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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. Aepyprymnus rufescens là một loài động vật có vú trong họ Potoroidae, bộ Hai răng cửa. Loài này được Gray mô tả năm 1837.
Большой крысиный кенгуру, или рыжая кенгуровая крыса[1] (Aepyprymnus rufescens) — это небольшое животное из семейства крысиных кенгуру[2].
Обитает в Австралии. Встречается в прибрежных районах от Ньюкасла в Новом Южном Уэльсе до Куктауна в Квинсленде. Раньше также встречался в пойме реки Муррей в штатах Виктория и Новый Южный Уэльс[3]. В настоящее время не считается находящимся в опасности видом, но классифицируется как вид, вызывающий наименьшие опасения[4]. При этом является очень редким животным. Будучи величиной примерно со взрослого кролика, в остальном он подобен кенгуру.
Большой крысиный кенгуру — единственный вид своего рода. При этом он — самый крупный из числа крысиных кенгуру. Окраска обычно серая, с красновато-коричневым оттенком. Отсюда и rufescens в научном названии вида, буквально означающее «красноватый крестец»[5].
Одно время считалось, что большой крысиный кенгуру — одиночное ночное животное, но последние исследования показали, что эти зверьки могут собираться в стада-гаремы, где самки сменяют друг друга, а самец один[5]. Питается это животное в основном дикими корнеплодами и грибами, но также ест листья, траву и другую растительную пищу[3].
Размножается в течение всего года, по мере достижения самками половой зрелости. Возраст наступления половой зрелости: для самок — 11 месяцев, для самцов — 12—13. Половозрелая самка готова к зачатию каждые 3 недели. Беременность длится меньше месяца, около 22—24 дней. Новорождённый детёныш не недоразвит, как у других сумчатых. Однако свои первые 16 недель он будет жить в материнской сумке. Покинув сумку, детёныш ещё около 7 недель держится около матери, пока не научится заботиться о себе сам[5].
Большой крысиный кенгуру, или рыжая кенгуровая крыса (Aepyprymnus rufescens) — это небольшое животное из семейства крысиных кенгуру.
赤褐袋鼠屬（Aepyprymnus, 赤褐袋鼠），哺乳綱的一屬，屬於鼠袋鼠科，而與赤褐袋鼠屬（赤褐袋鼠）同科的動物尚有草原袋鼠屬（草原袋鼠）、荒漠袋鼠屬（荒漠袋鼠）等之數種哺乳動物。
这是一篇與有袋類相關的小作品。你可以通过编辑或修订扩充其内容。
붉은쥐캥거루(Aepyprymnus rufescens)은 쥐캥거루과에 속하는 작은 유대류 종의 하나로 오스트레일리아에서 발견된다. 붉은베통(rufous bettong)으로도 알려져 있다. 뉴사우스웨일스주의 뉴캐슬 지역부터 퀸즐랜드주의 쿡타운 지역까지의 해안가와 해안 하부 지역에서 발견되며, 이전에는 뉴사우스웨일스 주와 빅토리아주의 머리 강 계곡에서 발견되었다.[3]
관심대상종으로 분류되고 있다.[2] 붉은쥐캥거루는 다 자란 회색래빗 정도의 크기이다. 붉은쥐캥거루속(Aepyprymnus)의 유일종이며, 쥐캥거루과에서 가장 큰 종이다. 일반적으로 약간 붉은 갈색을 보이는 회색을 띠며, 학명은 "불그스레한 궁둥이"(reddish high-rump)라는 의미이다.[4] 한때는 홀로 생활하는 야행성 동물로 간주했으나 최근에 관찰된 바에 의하면 느슨한 일부다처제 사회를 형성하는 것으로 보고 있다.[4] 주로 덩이줄기와 버섯류를 먹지만, 나무의 잎이나 기타 식물을 먹기도 한다.[3] 암컷은 약 11개월 이후가 되면 성적으로 성숙해지고, 일년 연중 번식을 한다. 수컷은 12개월과 13개월 사이에 성적으로 성숙해진다. 성숙한 암컷은 3주 간격으로 번식을 할 수 있다. 번식에 성공한 경우 임신 기간은 한 달 이하, 약 22~24일 정도이다. 새끼는 태어난 후 육아낭에서 약 16주 동안 지낸다. 육아낭을 떠난 후, 새끼 쥐캥거루는 어미 곁에서 약 7주 정도 머물먀 혼자 힘으로 살아가는 법을 익힌다.[4]
붉은쥐캥거루(Aepyprymnus rufescens)은 쥐캥거루과에 속하는 작은 유대류 종의 하나로 오스트레일리아에서 발견된다. 붉은베통(rufous bettong)으로도 알려져 있다. 뉴사우스웨일스주의 뉴캐슬 지역부터 퀸즐랜드주의 쿡타운 지역까지의 해안가와 해안 하부 지역에서 발견되며, 이전에는 뉴사우스웨일스 주와 빅토리아주의 머리 강 계곡에서 발견되었다.
관심대상종으로 분류되고 있다. 붉은쥐캥거루는 다 자란 회색래빗 정도의 크기이다. 붉은쥐캥거루속(Aepyprymnus)의 유일종이며, 쥐캥거루과에서 가장 큰 종이다. 일반적으로 약간 붉은 갈색을 보이는 회색을 띠며, 학명은 "불그스레한 궁둥이"(reddish high-rump)라는 의미이다. 한때는 홀로 생활하는 야행성 동물로 간주했으나 최근에 관찰된 바에 의하면 느슨한 일부다처제 사회를 형성하는 것으로 보고 있다. 주로 덩이줄기와 버섯류를 먹지만, 나무의 잎이나 기타 식물을 먹기도 한다. 암컷은 약 11개월 이후가 되면 성적으로 성숙해지고, 일년 연중 번식을 한다. 수컷은 12개월과 13개월 사이에 성적으로 성숙해진다. 성숙한 암컷은 3주 간격으로 번식을 할 수 있다. 번식에 성공한 경우 임신 기간은 한 달 이하, 약 22~24일 정도이다. 새끼는 태어난 후 육아낭에서 약 16주 동안 지낸다. 육아낭을 떠난 후, 새끼 쥐캥거루는 어미 곁에서 약 7주 정도 머물먀 혼자 힘으로 살아가는 법을 익힌다.
