There is little available information on predation in A. pusillus. Like other anomalurids, their cryptic coloration and arboreal habits may protect them from some predation. They are likely to be preyed on by arboreal predators such as snakes, small cats, and birds of prey.
Anti-predator Adaptations: cryptic
Although there is no mass reported for A. pusillus, it is said to be the smallest species of anomalurid.
Dwarf scaly-tailed squirrels have a head and body length ranging from 210 to 246 mm. Their tail length, which is one third the length of their body, ranges from 138 to 157 mm. Their hind feet, with a length varying from 37 to 47 mm, contain bristle hairs that are seen over the claws.
The coloration of dwarf scaly-tailed squirrels varies from a tan, light gray color to a very dark gray. The belly of this species is usually a yellowish gray color. The tail is generally a blackish brown color on the tip. The head is generally gray without a facial pattern.
The genus Anomalurus in general has a distinctive feature which is a cape-like membrane stretched between the forelimbs and the hind limbs and between the hind legs and the tail. This feature allows them to glide from branch to branch. The membrane is supported in the front by a rod of cartilage extending from the elbow joint and attaching to the ankles at the rear. The name “scaly-tailed” refers to an area of rough, overlapping scales on the underside of the tail near the base.
Range length: 210 to 246 mm.
Other Physical Features: endothermic ; homoiothermic; bilateral symmetry
Sexual Dimorphism: sexes alike
There is little available information for A. pusillus concerning their lifespan or longevity.
Dwarf scaly-tailed squirrels depend entirely on primary tropical forest in lowland areas. This species is found at elevations up to 2000 m.
Range elevation: 2000 (high) m.
Habitat Regions: tropical ; terrestrial
Terrestrial Biomes: forest
Anomalurus pusillus (dwarf scaly-tailed squirrels) occurs in Central Africa from Cameroon and Gabon to west Uganda and the northwest shore of Lake Tanganyika. Dwarf scaly-tailed squirrels are also found in West Liberia on the Du River.
Biogeographic Regions: ethiopian (Native )
Dwarf scaly-tailed squirrels are social and are likely to employ some forms of communication. Little is known about social communication in this species, but it is likely to include chemical cues, sounds, touch, and visual cues.
Communication Channels: visual ; tactile ; acoustic ; chemical
Perception Channels: visual ; tactile ; acoustic ; chemical
The only major threat to dwarf scaly-tailed squirrels is the extraction of wood from their habitat. According to the IUCN Red List of Threatened Species, even though this species is poorly known, the habitat within its known range is reasonably intact when compared with forested regions in West Africa. This suggests that dwarf scaly-tailed squirrels are unlikely to be experiencing population declines currently.
US Federal List: no special status
CITES: no special status
IUCN Red List of Threatened Species: least concern
There are no known adverse effects of A. pusillus on humans.
Since only a few specimens have been found, the economic importance of A. pusillus and the benefit it has for humans is poorly known.
Dwarf scaly-tailed squirrels are important members of the ecosystems in which they live.
Dwarf scaly-tailed squirrels feed primarily on bark and fruit. One particular dwarf scaly-tailed squirrel was recorded feeding exclusively on Musanga fruit.
Plant Foods: wood, bark, or stems; fruit
Primary Diet: herbivore (Frugivore , Lignivore)
There is no available information on the mating system of A. pusillus.
Specific reproductive information for dwarf scaly-tailed squirrels is not known, but information from related species of Anomalurus indicate that females may have 2 litters of 1 to 3 young per year.
At birth, scaly-tailed squirrels are large, well-furred, and active and their eyes are completely open.
Breeding interval: Dwarf scaly-tailed squirrels may breed twice yearly.
Breeding season: Breeding season in dwarf scaly-tailed squirrels is not known.
Range number of offspring: 1 to 3.
Key Reproductive Features: iteroparous ; gonochoric/gonochoristic/dioecious (sexes separate); sexual ; viviparous
Relatively little is known about parental investment in A. pusillus. In related species of Anomalurus, both parents bring food back to a well-hidden nest for their young until they become independent.
Parental Investment: precocial ; pre-fertilization (Provisioning, Protecting: Female); pre-hatching/birth (Provisioning: Female, Protecting: Female); pre-weaning/fledging (Provisioning: Male, Female, Protecting: Male, Female)
Anomalurus pusillus és una espècie de rosegador de la família dels anomalúrids.[1] Viu al Camerun, la República Centreafricana, el Congo, la República Democràtica del Congo, Guinea Equatorial, Gabon, Libèria i Uganda. Es tracta d'un animal arborícola i de costums nocturns. El seu hàbitat natural són els boscos humits tropicals de plana. Està amenaçat per la caça i la desforestació.
El seu nom específic, pusillus, significa 'minúscul' en llatí i es refereix a la seva petita mida.
Es tracta d'una espècie d'esquirol volador de mida petita, amb una longitud de cap i cos que varia entre 18,5 i 25,5 centímetres i una cua que fa entre 12 i 20 centímetres de llarg. El seu pes oscil·la entre els 170 i els 300 grams. El pelatge del seu cap és de color gris uniforme, sense presentar contrastos. El color del pelatge de la part superior del cos és variable, podent ser negre, gris o marró oliva, o fins i tot amb clapes de color bronze. La part superior de les membranes és de color gris fosc, amb la part propera a la cua tenyida de groc. Les parts inferiors són de color crema o groguenques, sense cap indici de color marró vermellós. Els flocs de pèls gruixuts que envolten les urpes de les potes del darrere són també de color blanc.[2]
Anomalurus pusillus és una espècie de rosegador de la família dels anomalúrids. Viu al Camerun, la República Centreafricana, el Congo, la República Democràtica del Congo, Guinea Equatorial, Gabon, Libèria i Uganda. Es tracta d'un animal arborícola i de costums nocturns. El seu hàbitat natural són els boscos humits tropicals de plana. Està amenaçat per la caça i la desforestació.
El seu nom específic, pusillus, significa 'minúscul' en llatí i es refereix a la seva petita mida.
The dwarf scaly-tailed squirrel (Anomalurus pusillus) is a species of rodent in the family Anomaluridae.[2] It is found in Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Gabon and Uganda. The species is nocturnal and arboreal and lives in subtropical or tropical lowland rainforest. Membranes attached to its limbs and tail enable it to glide between trees. This squirrel is currently not considered to be threatened by habitat destruction; "much of the habitat within parts of the known range of this species is relatively intact, and the species is unlikely to be experiencing any significant declines."[1]
This is a small flying squirrel, with adults having a head-and-body length of 185 to 255 mm (7.3 to 10.0 in) with a tail length of 120 to 200 mm (4.7 to 7.9 in). This flying squirrel weighs between 170 and 300 g (6.0 and 10.6 oz). The head is grey, and there is no contrasting colour on the edges of the ears. The fur on the upper parts is very variable in colour, ranging from black, grizzled grey or olive brown to mottled tan. The upper side of the membranes are dark grey, with the membranes near the tail tinged with yellow. The underparts are creamy white or yellowish, without any hint of rufous. The tufts of bristles surrounding the hind claws are also white. As with other scaly-tailed flying squirrels in the genus Anomalurus, a membrane is attached between the thighs and the more basal part of the tail. This part of the tail bears a patch of large cornified scales on the underside, the rest of the tail being plume-like.[3]
The dwarf scaly-tailed squirrel is native to tropical western and central Africa. As far as is known, there are two or more separate populations; one is in West Africa in Liberia, where one specimen was collected in the Du River Valley in the west of the country and two other specimens from Mount Richard-Molard in the north of the country; the other population is in Central Africa, the range including southern Cameroon, Equatorial Guinea, northern Gabon, the Republic of Congo, the Democratic Republic of Congo, southwestern Central African Republic and eastern Uganda. It is possible that this rather unobtrusive species occurs in the intervening countries, with a single larger population. Although generally an animal of lowland primary rainforest, one specimen was collected at 2,200 m (7,200 ft) in Mugaba in the eastern part of the Democratic Republic of the Congo. It is generally found in the interior of forests and not around the edges or in mosaic woodland.[1]
The species is arboreal and nocturnal, and like other members of its genus, is able to launch itself from a tree and glide through the air to a lower branch. During the day it remains concealed in its nest, usually a crevice or hole in a tree or a hollow tree, or it may cling to a trunk or branch where its cryptic colourations makes it inconspicuous. It usually occurs in pairs or small groups.[4] Nothing is known about its reproductive habits. It is herbivorous and the diet includes fruits, including the fleshy fruits of the umbrella tree (Musanga cecropioides).[5] A morphological resemblance of the teeth and jaws with those of Lord Derby's Anomalure (Anomalurus derbianus) suggests that A. pusillus may also eat bark.[5]
The tropical forests where this flying squirrel lives are under threat from timber extraction and the conversion of the land to agricultural use. However the forests are much less threatened than are similar forests in western Africa. This squirrel is also under threat from hunting for bushmeat, but this is unlikely to pose much of a threat, and the International Union for Conservation of Nature has assessed its conservation status as being of "least concern".[1]
The dwarf scaly-tailed squirrel (Anomalurus pusillus) is a species of rodent in the family Anomaluridae. It is found in Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Gabon and Uganda. The species is nocturnal and arboreal and lives in subtropical or tropical lowland rainforest. Membranes attached to its limbs and tail enable it to glide between trees. This squirrel is currently not considered to be threatened by habitat destruction; "much of the habitat within parts of the known range of this species is relatively intact, and the species is unlikely to be experiencing any significant declines."
Anomalurus pusillus Anomalurus generoko animalia da. Karraskarien barruko Anomalurinae azpifamilia eta Anomaluridae familian sailkatuta dago.
Anomalurus pusillus Anomalurus generoko animalia da. Karraskarien barruko Anomalurinae azpifamilia eta Anomaluridae familian sailkatuta dago.
Anomalure nain, Anomalure pygmée, Écureuil volant pygmée
Anomalurus pusillus est une espèce d'anomalures, des rongeurs de la famille des Anomalurinae. C'est un mammifère arboricole africain qui fait partie des écureuils volants.
En français, l'espèce s'appelle Anomalure nain[1],[2], Anomalure pygmée[2] ou Écureuil volant pygmée[1].
Anomalure nain, Anomalure pygmée, Écureuil volant pygmée
Anomalurus pusillus est une espèce d'anomalures, des rongeurs de la famille des Anomalurinae. C'est un mammifère arboricole africain qui fait partie des écureuils volants.
En français, l'espèce s'appelle Anomalure nain,, Anomalure pygmée ou Écureuil volant pygmée.
L'anomaluro nano o anomaluro minore (Anomalurus pusillus Thomas, 1887) è un mammifero roditore della famiglia degli Anomaluridi.
Con sette sottospecie sinora censite[3], la specie è diffusa in Africa centrale, dal Gabon ed al Camerun meridionale fino alla sponda settentrionale del lago Tanganica: una popolazione isolata si trova anche in Liberia occidentale.
Il suo habitat naturale sono le foreste pluviali primarie, nell'ambito delle quali vive sugli alberi più vecchi ed alti.
Misura fino a 25 cm di lunghezza, cui si sommano una quindicina di cm di coda: queste misure (non esistono dati per quanto riguarda il peso[4]) ne fanno la specie più piccola del genere Anomalurus.
La colorazione del pelo ha solitamente sfumature che vanno dal grigio-giallastro al grigio scuro sul dorso, con sfumature giallastre su ventre, posteriore e coda: quest'ultima ha solitamente la punta nerastra. La testa è invece di colore grigio. Sulle zampe sono presenti peli allungati, che ricoprono le dita e le unghiette ricurve. Sul terzo prossimale inferiore della coda sono presenti due file parallele di sei scaglie cornee ciascuna. Come le altre specie congeneri, anche l'anomaluro minore possiede un patagio.
Si tratta di animali principalmente notturni, che durante il giorno riposano in coppie od occasionalmente in gruppetti di 5-6 individui nella cavità dei tronchi d'albero: occasionalmente esemplari isolati possono porsi lungo i tronchi verticali durante il giorno (principalmente durante le prime ore del mattino o nel tardo pomeriggio), per fare bagni di sole[5]. Durante la notte l'animale si muove perlopiù solitario od in coppie, planando di albero in albero alla ricerca di cibo.
Si tratta di animali prevalentemente di animali erbivori, che si nutrono principalmente di corteccia e frutti.
Poco o niente si sa circa le modalità riproduttive di questa specie, che tuttavia non differiscono probabilmente di molto da quelle delle altre specie congeneri, se non nei tempi probabilmente minori.
L'anomaluro nano o anomaluro minore (Anomalurus pusillus Thomas, 1887) è un mammifero roditore della famiglia degli Anomaluridi.
De dwergstekelstaarteekhoorn (Anomalurus pusillus) is een zoogdier uit de familie van de stekelstaarteekhoorns (Anomaluridae). De wetenschappelijke naam van de soort werd voor het eerst geldig gepubliceerd door Thomas in 1887.
Bronnen, noten en/of referenties
Anomalurus pusillus[2][3] är en däggdjursart som beskrevs av Thomas 1887. Anomalurus pusillus ingår i släktet egentliga taggsvansekorrar, och familjen taggsvansekorrar.[4][5] IUCN kategoriserar arten globalt som livskraftig.[1] Inga underarter finns listade i Catalogue of Life.[4] Det svenska trivialnamnet Mindre flygekorre/taggsvansekorre förekommer för arten.[6]
Denna gnagare har två från varandra skilda utbredningsområden i Afrika, den första från Liberia till Kongo-Brazzaville och den andra i östra Kongo-Kinshasa och angränsande regioner av Uganda. I bergstrakter når arten 2200 meter över havet. Habitatet utgörs av tropiska regnskogar. Individerna är nattaktiva och vistas främst i träd.[1]
Denna gnagare är med en kroppslängd (huvud och bål) av 18,5 till 24,5 cm, en svanslängd av 14 till 20 cm och en vikt mellan 160 och 300 g den minsta arten i släktet. Pälsfärgen på ovansidan varierar mellan ljusbrun och svartaktig. Vid svansens rot är flygmembranen ljusare till gulaktig. Även undersidan bär gul päls. På bakfötterna finns borstar som täcker klorna.[7]
Arten äter frukter (till exempel av växtsläktet Musanga) och troligen bark.[7] Individerna lever oftast i par och ibland i flockar. Flockarna har vanligen 6 till 8 medlemmar och ibland upp till 100 medlemmar. I senare fall kan även individer från andra taggsvansekorrar ingå i flocken. Arten klättrar i växtligheten och vilar i trädens håligheter eller i gömställen bland trädens rötter. Fortplantningssättet borde vara lika som hos andra arter av samma släkte. Antagligen jagas denna taggsvansekorre av trädlevande ormar, av mindre rovdjur och av rovfåglar.[8]
Wikimedia Commons har media som rör Anomalurus pusillus.
Wikispecies har information om Anomalurus pusillus.
Anomalurus pusillus är en däggdjursart som beskrevs av Thomas 1887. Anomalurus pusillus ingår i släktet egentliga taggsvansekorrar, och familjen taggsvansekorrar. IUCN kategoriserar arten globalt som livskraftig. Inga underarter finns listade i Catalogue of Life. Det svenska trivialnamnet Mindre flygekorre/taggsvansekorre förekommer för arten.
Denna gnagare har två från varandra skilda utbredningsområden i Afrika, den första från Liberia till Kongo-Brazzaville och den andra i östra Kongo-Kinshasa och angränsande regioner av Uganda. I bergstrakter når arten 2200 meter över havet. Habitatet utgörs av tropiska regnskogar. Individerna är nattaktiva och vistas främst i träd.
Denna gnagare är med en kroppslängd (huvud och bål) av 18,5 till 24,5 cm, en svanslängd av 14 till 20 cm och en vikt mellan 160 och 300 g den minsta arten i släktet. Pälsfärgen på ovansidan varierar mellan ljusbrun och svartaktig. Vid svansens rot är flygmembranen ljusare till gulaktig. Även undersidan bär gul päls. På bakfötterna finns borstar som täcker klorna.
Arten äter frukter (till exempel av växtsläktet Musanga) och troligen bark. Individerna lever oftast i par och ibland i flockar. Flockarna har vanligen 6 till 8 medlemmar och ibland upp till 100 medlemmar. I senare fall kan även individer från andra taggsvansekorrar ingå i flocken. Arten klättrar i växtligheten och vilar i trädens håligheter eller i gömställen bland trädens rötter. Fortplantningssättet borde vara lika som hos andra arter av samma släkte. Antagligen jagas denna taggsvansekorre av trädlevande ormar, av mindre rovdjur och av rovfåglar.
Anomalurus pusillus là một loài động vật có vú trong họ Anomaluridae, bộ Gặm nhấm. Loài này được Thomas mô tả năm 1887.[2]
.png)
Bài viết về một loài thuộc bộ Gặm nhấm này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. Anomalurus pusillus là một loài động vật có vú trong họ Anomaluridae, bộ Gặm nhấm. Loài này được Thomas mô tả năm 1887.
드워프비늘꼬리청서 또는 드워프비늘꼬리다람쥐(Anomalurus pusillus)는 비늘꼬리청서과에 속하는 설치류의 일종이다.[2] 카메룬과 중앙아프리카공화국, 콩고공화국, 콩고민주공화국, 적도기니 그리고 우간다에서 발견된다. 야행성 동물이고, 나무 위에서 생활하는 수상성 동물이다. 아열대 또는 열대 기후 지역의 저지대 우림에서 서식한다. 비막은 팔다리와 꼬리에 붙어 있고, 나무 사이를 활공한다. 서식지 파괴로 인한 멸종 위협을 받는 종으로 간주되지 않는다. "알려진 범위 안의 서식지 대부분이 비교적 온전한 상태를 유지하며, 어떤 심각한 개체수 감소도 겪지 않는 것으로 추정된다."[1]
.png)
