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Lophuromys sikapusi ( Catalão; Valenciano )

fornecido por wikipedia CA

Lophuromys sikapusi és un rosegador del gènere Lophuromys que viu a l'est i al centre d'Àfrica, des de Sierra Leone fins a la República Centreafricana i la República del Congo. Aquesta espècie pertany al subgènere Lophuromys i està relacionada amb L. ansorgei i L. angolensis, que fins al 1997 i 2000 foren classificades com a part de L. sikapusi. La llargada corporal és d'entre 105 i 140 mm, la llargada de la cua d'entre 57 i 85 mm, la llargada de les potes posteriors d'entre 20i 26 mm, la llargada de les orelles d'entre 15 i 20 mm, la llargada del crani d'entre 294 i 330 mm i el pes d'entre 46 i 89 g. Té 60 cromosomes.

Bibliografia

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Lophuromys sikapusi: Brief Summary ( Catalão; Valenciano )

fornecido por wikipedia CA

Lophuromys sikapusi és un rosegador del gènere Lophuromys que viu a l'est i al centre d'Àfrica, des de Sierra Leone fins a la República Centreafricana i la República del Congo. Aquesta espècie pertany al subgènere Lophuromys i està relacionada amb L. ansorgei i L. angolensis, que fins al 1997 i 2000 foren classificades com a part de L. sikapusi. La llargada corporal és d'entre 105 i 140 mm, la llargada de la cua d'entre 57 i 85 mm, la llargada de les potes posteriors d'entre 20i 26 mm, la llargada de les orelles d'entre 15 i 20 mm, la llargada del crani d'entre 294 i 330 mm i el pes d'entre 46 i 89 g. Té 60 cromosomes.

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Rusty-bellied brush-furred rat ( Inglês )

fornecido por wikipedia EN

The rusty-bellied brush-furred rat (Lophuromys sikapusi) is a species of rodent in the family Muridae. It is found in Angola, Benin, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Kenya, Liberia, Nigeria, Sierra Leone, Tanzania, Togo, and Uganda. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical seasonally wet or flooded lowland grassland, arable land, and pastureland.

Wikimedia Commons has media related to Lophuromys sikapusi.

Habitat

The range of L. sikapusi species extends from Sierra Leone to the Ivory Coast, Uganda, North Angola, Tanzania, Benin, West Kenya, and Zaire. This species is also found on the northern bank of the Congo River in Zaire.[1]

Out of the Lophuromys rodents, they occupy the largest geographical range. They are highly flexible to adapt to a wide range of habitats of life. Tropical lowland and subtropical land with adequate moisture is their usual habitat. They are dependent on moist grass land habitats, and are absent in very dry land or closed forests. These rodents are also Savannah dwellers that prefer habitat with some brushes.[2]

Morphology

The rusty-bellied brush furred mice have a dark color coat with stiff textured fur. Their overall body built is a stubby body with short legs. Between males and females, also known as "bucks" and "does" respectively, there is very little sexual dimorphism. The only significant dimorphism is that the males are larger in size in comparison to their female counterparts. An average rusty-bellied brush-furred rat weighs from 45 to 90 grams.[3] They possess a short tail length in comparison to most African rodentia species. L.sikapusi has a shorter tail length than L.angolensis. L.sikapusi possesses an approximately similar head to tail body length ratio in comparison with other African rodents. Compared to Lemniscomys striatus specimens, L. sikapusi has relatively a shorter tail length and hind foot length. Their average tail length is 69 mm, and can be at a maximum of 82 mm.[4] The rostrum resembles a shrew-like appearance.[3] Their rostrums are slightly longer than the species L.flavopunctatus.[5] Their cheek teeth have three rows of cusps, not only two as seen in Cricetidae (the family consisting of voles, lemmings, and New world rats).[3]

Diet

The diet of L. sikapusi is characterized by insects such as ants, reptiles, seeds, palms, fibre, soft-bodied invertebrates, and vegetable materials that are abundant in the tropical land environments. [6] Their food resources are limited by dry habitat. The dry habitat may also expose these rodents to predators by depriving them of the shelter they need. On the other hand, the wet season increases disease rate while increasing the abundance of food sources.[1] Approximately 98% of food consumed is used toward maintaining a steady body temperature. Only 2% is used toward building new tissue. The energy dynamic of this animal is characteristic of rodents and mammals that are constantly losing energy through respiratory heat loss. Therefore, they need a high energy source to maintain a stable body temperature.[7]

Digestive system

The digestive system of this species is unique. There is a distinctive bump along the great curvature in the stomach. It is considered to be a bilocular stomach, that aids in digesting plant-based diets. It allows adaptation to a variety of food sources.[8] The digestive system of L.sikapusi, especially the stomach structure is very similar to Onychomys.[8] The stomach of L.sikapusi does not show insectivorous diet anatomical arrangements.[8] It is thought to aid the young to absorb large amount of milk in their stomach during period of growth. The stomach of L.sikapusi lacks pyloric glands. Their large stomach allows for heavy mixing of bolus after eating. Their stomach also maintains a relatively high pH range so the enzyme salivary amylase may continue to digest carbohydrates, starch, and glycogen from the food consumed.[8] When there is inadequate water intake due to dry climates in the environment, these rodents produce concentrated urine and dry fecal matter to retain water so they may keep themselves hydrated.[9]

Behavior

L. sikapusi have territorial behavior similar to many African rodents, that engage in fights when placed in close proximity to other rodents. There are bodily damages such as torn ears, and mutilated tails from fights among themselves.[10] This species of rodents prefer to be alone. Species such as the Mastomys rat are discovered to be competitors to the Lophuromys species.[1]

Growth and reproduction

This type of brush-furred mice produces small litters of offspring, called pups, after a gestation period of approximately 21 days. The young grow very rapidly, and may grow from 8 to 20 grams within the first five days after birth.[7] The average amount of offspring from each litter is two, and it can go up to four pups.[7] The infant rusty-bellied brush-furred mice become active in four to seven days, and their eyes begin to open. The coat is completed growing in a week after birth. The infants weigh about 25 grams by the tenth day. They may begin breeding at around 2 months of age.[7]

References

  1. ^ a b c Kingdon, Jonathan (1984). "Brush-furred Mice". East African Mammals: An Atlas of Evolution in Africa. 2: 371.
  2. ^ Barnett, Adrian Ashton (2000). "Ecology of rodent communities in agricultural habitats in eastern Sierra Leone: Cocoa groves as forest refugia" (PDF). Tropical Ecology. 42 (2): 127–142.
  3. ^ a b c Vaughan, Terry A. (1972). Mammalogy. Philadelphia, PA: Elsevier. pp. 147–178.
  4. ^ Olayemi, Ayodeii; Akinpelu (2008). "Diversity and distribution of murid rodent populations between forest and derived savanna sites within south western Nigeria". Biodiversity Conservation. 17 (10): 2411–2425. doi:10.1007/s10531-008-9389-1. S2CID 19918880.
  5. ^ Walter, Verheyen (2000). "Three-Dimensional Geometric Morphometrics of the African Genus Lophuromys (Rodenta Muridae)". Italian Journal of Mammalogy. I (1): 145–154. doi:10.4404/hystrix-11.1-4142.
  6. ^ Cole, L.R. (2009). "Foods and foraging places of rats (Rodentia: Muridae) in the lowland evergreen forest of Ghana". Journal of Zoology. 175 (4): 453–471. doi:10.1111/j.1469-7998.1975.tb01411.x.
  7. ^ a b c d Delaney, M.J. (1974). The Ecology of Small Mammals. New York: McGraw Hill. pp. 20–34.
  8. ^ a b c d Gunders, Harvey L. (1976). Mammalogy. London, UK: McGraw Hill. pp. 113–388.
  9. ^ Merritt, Joseph F. (2010). The Biology of Small Mammals. The Johns Hopkins University Press. pp. 140–167. ISBN 978-0801879500.
  10. ^ Vaughan, Terry A (2011). Mammology. Vol. 5. pp. 214–218.
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Rusty-bellied brush-furred rat: Brief Summary ( Inglês )

fornecido por wikipedia EN

The rusty-bellied brush-furred rat (Lophuromys sikapusi) is a species of rodent in the family Muridae. It is found in Angola, Benin, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Kenya, Liberia, Nigeria, Sierra Leone, Tanzania, Togo, and Uganda. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical seasonally wet or flooded lowland grassland, arable land, and pastureland.

Wikimedia Commons has media related to Lophuromys sikapusi.
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Lophuromys sikapusi ( Basco )

fornecido por wikipedia EU

Lophuromys sikapusi Lophuromys generoko animalia da. Karraskarien barruko Deomyinae azpifamilia eta Muridae familian sailkatuta dago.

Erreferentziak

  1. (Ingelesez)Mammals - full taxonomy and Red List status Ugaztun guztien egoera 2008an
  2. Temminck (1853) Muridae Esquisses Zool. sur la Côte de Guine 160. or..

Ikus, gainera

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Lophuromys sikapusi: Brief Summary ( Basco )

fornecido por wikipedia EU

Lophuromys sikapusi Lophuromys generoko animalia da. Karraskarien barruko Deomyinae azpifamilia eta Muridae familian sailkatuta dago.

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Lophuromys sikapusi ( Neerlandês; Flamengo )

fornecido por wikipedia NL

Lophuromys sikapusi is een knaagdier uit het geslacht Lophuromys dat voorkomt in West- en Midden-Afrika van Sierra Leone tot de Centraal-Afrikaanse Republiek en de Republiek Congo. Deze soort behoort tot het ondergeslacht Lophuromys en is daarbinnen verwant aan L. ansorgei en L. angolensis, die tot 1997 en 2000 in L. sikapusi werden geplaatst. De kop-romplengte bedraagt 105 tot 140 mm, de staartlengte 57 tot 85 mm, de achtervoetlengte 20 tot 26 mm, de oorlengte 15 tot 20 mm, het gewicht 46 tot 89 g en de schedellengte 294 tot 330 mm. Het dier heeft 60 chromosomen.

Literatuur

Bronnen, noten en/of referenties
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Lophuromys sikapusi: Brief Summary ( Neerlandês; Flamengo )

fornecido por wikipedia NL

Lophuromys sikapusi is een knaagdier uit het geslacht Lophuromys dat voorkomt in West- en Midden-Afrika van Sierra Leone tot de Centraal-Afrikaanse Republiek en de Republiek Congo. Deze soort behoort tot het ondergeslacht Lophuromys en is daarbinnen verwant aan L. ansorgei en L. angolensis, die tot 1997 en 2000 in L. sikapusi werden geplaatst. De kop-romplengte bedraagt 105 tot 140 mm, de staartlengte 57 tot 85 mm, de achtervoetlengte 20 tot 26 mm, de oorlengte 15 tot 20 mm, het gewicht 46 tot 89 g en de schedellengte 294 tot 330 mm. Het dier heeft 60 chromosomen.

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Szczoteczniczka rudobrzucha ( Polonês )

fornecido por wikipedia POL
Commons Multimedia w Wikimedia Commons

Szczoteczniczka rudobrzucha[3] (Lophuromys sikapusi) – gatunek gryzonia z rodziny myszowatych, występujący w Afryce Zachodniej i Środkowej[2][4].

Klasyfikacja

Gatunek został opisany naukowo w 1853 roku przez C.J. Temmincka[1].

Biologia

Szczoteczniczka rudobrzucha występuje na obszarze od Sierra Leone na wschodzie po granice Kenii i Tanzanii na zachodzie i od Nigerii na północy do Angoli na południu. W Tanzanii zamieszkuje okolice gór, w Gwinei na górze Nimba występuje do wysokości 1600 m n.p.m. Występuje na gęsto porośniętych terenach trawiastych, polach i opuszczonych farmach, na bagnach i plantacjach. W lasach pierwotnych i wtórnych spotykany tylko na terenach pokrytych trawą i roślinami zielnymi, szczególnie otwartych[2][4].

Populacja

Szczoteczniczka rudobrzucha żyje na rozległym obszarze, w tym prawdopodobnie w kilku obszarach chronionych. Jest uznawany za gatunek najmniejszej troski[2].

Przypisy

  1. a b Lophuromys sikapusi, w: Integrated Taxonomic Information System (ang.).
  2. a b c d Lophuromys sikapusi. Czerwona księga gatunków zagrożonych (IUCN Red List of Threatened Species) (ang.).
  3. Włodzimierz Cichocki, Agnieszka Ważna, Jan Cichocki, Ewa Rajska, Artur Jasiński, Wiesław Bogdanowicz: Polskie nazewnictwo ssaków świata. Warszawa: Muzeum i Instytut Zoologii Polskiej Akademii Nauk, 2015, s. 297. ISBN 978-83-88147-15-9.
  4. a b Wilson Don E. & Reeder DeeAnn M. (red.) Lophuromys (Lophuromys) sikapusi'. w: Mammal Species of the World. A Taxonomic and Geographic Reference (Wyd. 3.) [on-line]. Johns Hopkins University Press, 2005. (ang.) [dostęp 2015-08-22]
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Szczoteczniczka rudobrzucha: Brief Summary ( Polonês )

fornecido por wikipedia POL

Szczoteczniczka rudobrzucha (Lophuromys sikapusi) – gatunek gryzonia z rodziny myszowatych, występujący w Afryce Zachodniej i Środkowej.

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Lophuromys sikapusi ( Sueco )

fornecido por wikipedia SV

Lophuromys sikapusi[2] är en däggdjursart som först beskrevs av Coenraad Jacob Temminck 1853. Lophuromys sikapusi ingår i släktet borstpälsade möss, och familjen råttdjur.[3][4] IUCN kategoriserar arten globalt som livskraftig.[1] Inga underarter finns listade i Catalogue of Life.[3]

Utseende

Arten blir 11 till 13 cm lång (huvud och bål), har en 6,5 till 8,2 cm lång svans och väger 51 till 79 g. Bakfötterna är 2,1 till 2,3 cm långa och öronen är 1,5 till 1,7 cm stora. Pälsen är inte lika borstig som hos andra släktmedlemmar. Den har vanligen en rödbrun färg på ovansidan och en ljusare röd färg på undersidan. I några regioner är ovansidan nästan svartaktig. Alla fingrar och tår är utrustade med långa klor. Lophuromys sikapusi har förminskade tummar. Svansen är täckt av fjäll som bildar ringar och några styva hår. Hos honor förekommer tre par spenar.[5]

Utbredning

Denna gnagare förekommer i Afrika från Sierra Leone till västra Kenya och norra Angola. Den vistas i låglandet och i bergstrakter upp till 1600 meter över havet. Habitatet utgörs av fuktiga gräsmarker, jordbruksmark, träskmarker och skogar.[1]

Ekologi

Lophuromys sikapusi vistas främst på marken. Den är nattaktiv och äter insekter samt några växtdelar.[1] Födan kompletteras med daggmaskar, blötdjur och kadaver.[5]

Djuret gräver tunnlar i lövskiktet eller i det översta jordlagret. Där eller i stora gräsklumpar placeras boet av torra grässtrån. Liksom andra borstpälsade möss har arten en sträng lukt och den jagas därför sällan av rovdjur. Rovfåglar är inte lika känsliga. I några fall bör den falla offer för viverrider, manguster, servalen eller ormar.[5]

Individerna är antagligen aggressiva mot varandra när honan inte är brunstig. Hos flera exemplar var öronen och svansen sårade. Fortplantningen är troligen kopplad till regntiden. Honan är cirka 30 dagar dräktig och sedan föds två eller tre ungar som väger ungefär 8 g. Efter cirka tre veckor väger ungarna 35 g och de är full utvecklade efter fem till åtta veckor. Honor hade sin första kull med en vikt av 40 g.[5]

Källor

  1. ^ [a b c d] 2008 Lophuromys sikapusi Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 2012-10-24.
  2. ^ Wilson, Don E., and DeeAnn M. Reeder, eds. (2005) , Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., Lophuromys sikapusi
  3. ^ [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.) (17 april 2011). ”Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. http://www.catalogueoflife.org/annual-checklist/2011/search/all/key/lophuromys+sikapusi/match/1. Läst 24 september 2012.
  4. ^ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 2011-04-26
  5. ^ [a b c d] Kingdon, Jonathan (2013). Lophuromys sikapusi (på engelska). Mammals of Africa. "4". A & C Black. sid. 255-256. ISBN 9781408122549

Externa länkar

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Lophuromys sikapusi: Brief Summary ( Sueco )

fornecido por wikipedia SV

Lophuromys sikapusi är en däggdjursart som först beskrevs av Coenraad Jacob Temminck 1853. Lophuromys sikapusi ingår i släktet borstpälsade möss, och familjen råttdjur. IUCN kategoriserar arten globalt som livskraftig. Inga underarter finns listade i Catalogue of Life.

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Lophuromys sikapusi ( Vietnamita )

fornecido por wikipedia VI

Lophuromys sikapusi là một loài động vật có vú trong họ Chuột, bộ Gặm nhấm. Loài này được Temminck mô tả năm 1853.[1]

Chú thích

  1. ^ a ă Wilson, D. E.; Reeder, D. M. biên tập (2005). “Lophuromys sikapusi”. 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 Họ Chuột 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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Lophuromys sikapusi: Brief Summary ( Vietnamita )

fornecido por wikipedia VI

Lophuromys sikapusi là một loài động vật có vú trong họ Chuột, bộ Gặm nhấm. Loài này được Temminck mô tả năm 1853.

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녹빛배붓털쥐 ( Coreano )

fornecido por wikipedia 한국어 위키백과

녹빛배붓털쥐(Lophuromys sikapusi)는 쥐과 붓털쥐속에 속하는 설치류이다.[2] 앙골라베넹, 카메룬, 중앙아프리카공화국, 콩고, 콩고민주공화국, 코트디부아르, 적도기니, 가봉, 가나, 기니, 케냐, 라이베리아, 나이지리아, 시에라리온, 탄자니아, 토고, 우간다에서 발견된다. 자연 서식지는 아열대 또는 열대 기후 지역의 습윤 저지대 숲과 계절성 습윤 또는 홍수림 저지대 초원, 농경지, 목초지 등이다.[1]

각주

  1. Lophuromys sikapusi. IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature (2008). Retrieved on 24/10/2012.
  2. Musser, G.G.; Carleton, M.D. (2005). 〈Superfamily Muroidea〉 [쥐상과]. Wilson, D.E.; Reeder, D.M. 《Mammal Species of the World: A Taxonomic and Geographic Reference》 (영어) 3판. 존스 홉킨스 대학교 출판사. 894–1531쪽. ISBN 978-0-8018-8221-0. OCLC 62265494.
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