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Gerboise à Quatre Doigts

Allactaga tetradactyla (Lichtenstein 1823)

Morphology ( anglais )

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Allactaga tetradactyla is a small kangaroo-shaped animal with long, slender ears that are approximately the same length as their head. Their head and body length ranges from 90-263 mm and their tail length is approximately 142-308 mm. They have large eyes (a typical trait of nocturnal animals). Their hind legs are four times greater than their front legs, as is true of other jerboas. The 3 main footbones in their hind legs are fused into a single "cannon bone," which provides mechanical advantage for jumping (MacDonald, 1984 ). A. tetradactyla is the only species within the Jerboas that has four toes (hence the common name 4-toed Jerboa). It has only one small lateral digit (vs. the other species where there are either 2 outer toes or none at all). The sole of the hind foot has a tuft of stiff hairs, which acts as a steering mechanism while they leap. This hair also helps them to kick sand backwards while burrowing. There is another tuft of hair located on the opening of the ear that aids in keeping wind-blown sand from entering (Nowak, 1991). They have padded feet to help absorb and cushion from the shock of landing. A long tail balances the animal while resting and jumping, and it also acts as a brake during running (Hanney, 1975). The vertebrae of the neck region are short and expanded, and several are fused together. Jerboas have inflated bullae and the cheek teeth are rooted, high crowned and cuspidate (Nowak, 1991). They have velvety hair that is usually the same color as the sand they burrow in (sandy or greyish) and a white underbelly.

Average mass: 52 g.

Other Physical Features: endothermic ; bilateral symmetry

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Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
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Kelly Sims, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Habitat ( anglais )

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A. tetradactyla inhabits areas of clay deserts, semi deserts, and coastal salt marshes. It occupies four different kinds of simple burrows: temporary summer day burrows for hiding during the day, temperate summer night burrows for hiding during the night, permanant summer burrows used as a home for producing young, and permanent winter burrows for hibernation (Macdonald, 1984). Most of these burrows are only 60-150 cm deep. All burrows have side tunnels erupting at the surface, through which a jerboa can escape if they are threatened by a predator. A. tetradactyla often lines its nests with camel hair or their own belly hair (Nowak, 1991).

Terrestrial Biomes: desert or dune

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Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
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Kelly Sims, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Distribution ( anglais )

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The species Allactaga tetradactyla can be found in northeastern Africa (in the Libyan Desert), Arabian Peninsula, and across southwestern and central Asia.

Biogeographic Regions: palearctic (Native ); oriental (Native )

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Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
auteur
Kelly Sims, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Trophic Strategy ( anglais )

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Allactaga tetradactyla feeds primarily on seeds and succulent vegetation (especially plants with milky juices), but it also has been known to feed on insects. It does not drink water at all, but instead lives on metabolic water (produced by the chemical breakdown of food) (Macdonald, 1984).

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Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
auteur
Kelly Sims, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Animal Diversity Web

Benefits ( anglais )

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Allactaga tetradactyla has been beneficial for controlling herbivorous insects that feed on agricultural crops. By preying on insects, jerboas keep the pest population low so the effect of insect predation on crops is reduced.

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Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
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Kelly Sims, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Benefits ( anglais )

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Jerboas have been known to be a plague carrier (Hanney, 1975).

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Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
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Kelly Sims, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Sans titre ( anglais )

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A. tetradactyla's basal metabolic rate is 68% less than that of the white rat. A temperature increase of 40 degrees C (104 F) kills white rats but only causes sleeping jerboas to salivate (Hendrickson, 1983). The lifespan of A. tetradactyla is less than two years.

Also, the known geological range of the Dipodidae is Pleistocene to Recent in North Africa (Nowak, 1991), suggesting that A. tetradactyla is a fairly recent species on the geological time scale.

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Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
auteur
Kelly Sims, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Behavior ( anglais )

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Perception Channels: tactile ; chemical

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Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
auteur
Kelly Sims, University of Michigan-Ann Arbor
auteur
Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Animal Diversity Web

Conservation Status ( anglais )

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Desert jerboas fluorish throughout the Palearctic, so they have no special status. However, the overall species richness of mammals fell significantly after the Gulf War in 1990, so one potential threat to A. tetradactyla is future warfare and pollution.

US Federal List: no special status

CITES: no special status

IUCN Red List of Threatened Species: vulnerable

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citation bibliographique
Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
auteur
Kelly Sims, University of Michigan-Ann Arbor
auteur
Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Animal Diversity Web

Reproduction ( anglais )

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Little is known about the reproductive behavior of Allactaga tetradactyla except that there is a long breeding season that usually peaks corresponding with spring, summer, and fall. During this period, the male playfully chases the female until she stops briefly and copulation occurs. Sexual maturity in jerboa is reached after the first year (Bunker, 1997). The gestation period ranges from 25-42 days (Macdonald, 1984). There are an average of 3 annual litters consisting of 3-5 young per litter; however, a range of 1-8 young/litter has been recorded (Nowak, 1991).

Key Reproductive Features: gonochoric/gonochoristic/dioecious (sexes separate); sexual

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citation bibliographique
Sims, K. 2000. "Allactaga tetradactyla" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Allactaga_tetradactyla.html
auteur
Kelly Sims, University of Michigan-Ann Arbor
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Phil Myers, Museum of Zoology, University of Michigan-Ann Arbor
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Allactaga tetradactyla ( catalan ; valencien )

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Allactaga tetradactyla és una espècie de rosegador de la família dels dipòdids. Viu a l'est de Líbia i el nord d'Egipte. Es tracta d'un animal nocturn. Els seus hàbitats naturals són les zones amb vegetació dels saladars i els deserts argilosos situats a planes costaneres. Podria estar amenaçat per la desertificació.[1] El seu nom específic, tetradactyla, significa 'de quatre dits' en llatí, fet que també es reflecteix en el seu nom vulgar en altres llengües.

Referències

 src= A Wikimedia Commons hi ha contingut multimèdia relatiu a: Allactaga tetradactyla Modifica l'enllaç a Wikidata
  1. Hutterer, R.; Kryštufek, B.; Aulagnier, S. Allactaga tetradactyla. UICN 2008. Llista Vermella d'espècies amenaçades de la UICN, edició 2008, consultada el 22 desembre 2015.
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Allactaga tetradactyla: Brief Summary ( catalan ; valencien )

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Allactaga tetradactyla és una espècie de rosegador de la família dels dipòdids. Viu a l'est de Líbia i el nord d'Egipte. Es tracta d'un animal nocturn. Els seus hàbitats naturals són les zones amb vegetació dels saladars i els deserts argilosos situats a planes costaneres. Podria estar amenaçat per la desertificació. El seu nom específic, tetradactyla, significa 'de quatre dits' en llatí, fet que també es reflecteix en el seu nom vulgar en altres llengües.

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Four-toed jerboa ( anglais )

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The four-toed jerboa (Scarturus tetradactyla) is a rodent of the family Dipodidae and genus Scarturus that has four digits. Four-toed jerboas are native to Egypt and Libya. They live in coastal salt marshes and dry deserts.

Physical appearance

Similar to the other jerboas in the genera Allactaga and Scarturus, the four-toed jerboa are small hopping rodents with large ears and a long tail, with a black band near the white, feathery tip. The tail assists and serves as support when the jerboa is standing upright.[2] They have long hind feet and short forelegs.[3] The pelt of the four-toed jerboa is velvety in texture and the upper-parts are speckled black and orange, the rump orange, and the sides gray. The four-toed jerboa hind-limbs have an extra digit compared to other jerboas in the genus Allactaga. The extra digit is smaller in size and nonfunctional compared to the other three digits.[4]

Nutrition

Emerging at night, the four-toed jerboa eats grass, leaves, and soft seeds.[5] The low crown molars and soft palates help the four-toed jerboa chew plant material and seeds.[6]

The four-toed jerboa is a host of the acanthocephalan intestinal parasite Moniliformis aegyptiacus.[7]

Conservation status

The four-toed jerboa was listed as on the IUCN Red List of Threatened Species. They are at very high risk of extinction due to habitat loss and restricted range.

References

  1. ^ Gerrie, R.; Kennerley, R. (2017). "Allactaga tetradactyla". IUCN Red List of Threatened Species. 2017: e.T850A22201540. doi:10.2305/IUCN.UK.2017-2.RLTS.T850A22201540.en. Retrieved 18 November 2021.
  2. ^ Kirmiz, John P. Adaptation to Desert Environment; A Study on the Jerboa, Rat and Man. London: Butterworths, 1962. 17. Print.
  3. ^ Lagassé, Paul. "Jerboa." The Columbia Encyclopedia. 6th ed. New York: Columbia UP, 2000. Academic Search Premier. Web. 1 Oct. 2013.
  4. ^ Shahin, A (2005). "Growth and Maturation of Metatarsals and Their Taxonomic Significance in the Jerboas Allactaga and Jaculus (Rodentia: Dipodidae)". Acta Zoologica. 86 (2): 82. doi:10.1111/j.1463-6395.2005.00189.x.
  5. ^ Holden, M. E. and G. G. Musser. 2005. Family Dipodidae. pp. 871–893 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore
  6. ^ Basyouny Shahin, Adel (1999). "A Comparative Study of the Molar and Soft Palate Characters of the Genera Allactaga and Jaculus (Mammalia: Rodentia) in Egypt". Zoology in the Middle East. 18 (1): 17–32. doi:10.1080/09397140.1999.10637779.
  7. ^ Guerreiro Martins, Natalia Beatriz; Del Rosario Robles, María; Navone, Graciela Teresa (2017). "A new species of Moniliformis from a Sigmodontinae rodent in Patagonia (Argentina)". Parasitology Research. 116 (8): 2091–2099. doi:10.1007/s00436-017-5508-9. PMID 28585077. Retrieved February 9, 2020.
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Four-toed jerboa: Brief Summary ( anglais )

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The four-toed jerboa (Scarturus tetradactyla) is a rodent of the family Dipodidae and genus Scarturus that has four digits. Four-toed jerboas are native to Egypt and Libya. They live in coastal salt marshes and dry deserts.

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Allactaga tetradactyla ( espagnol ; castillan )

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El jerbo de cuatro dedos (Allactaga tetradactyla) es un pequeño mamífero roedor saltador que habita el desierto de Egipto y Libia. Esta especie de jerbo de la familia Dipodinae que esta amenazado y vive en las marismas salinas cercanas a las costas y desiertos arcillosos y secos. Tiene los miembros posteriores largos; los anteriores, cortos; y unas orejas largas de la misma longitud que la cabeza, su piel es del color de la arena y en esta construye madrigueras, su bajo vientre es color blanco.

Referencias

  1. Hutterer, R., Kryštufek, B. & Aulagnier, S. (2008). «Allactaga tetradactyla». Lista Roja de especies amenazadas de la UICN 2008 (en inglés). ISSN 2307-8235. Consultado el 11 de febrero de 2009.
  • Holden, M. E. and G. G. Musser. 2005. Family Dipodidae. Pp. 871-893 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.
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Allactaga tetradactyla: Brief Summary ( espagnol ; castillan )

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El jerbo de cuatro dedos (Allactaga tetradactyla) es un pequeño mamífero roedor saltador que habita el desierto de Egipto y Libia. Esta especie de jerbo de la familia Dipodinae que esta amenazado y vive en las marismas salinas cercanas a las costas y desiertos arcillosos y secos. Tiene los miembros posteriores largos; los anteriores, cortos; y unas orejas largas de la misma longitud que la cabeza, su piel es del color de la arena y en esta construye madrigueras, su bajo vientre es color blanco.

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Allactaga tetradactyla ( basque )

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Allactaga tetradactyla Allactaga generoko animalia da. Karraskarien barruko Allactaginae azpifamilia eta Dipodidae familian sailkatuta dago.

Erreferentziak

  1. Lichtenstein (1823) Dipodidae Verz. Doublet. Zool. Mus. Univ. Berlin 2. or..

Ikus, gainera

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Allactaga tetradactyla: Brief Summary ( basque )

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Allactaga tetradactyla Allactaga generoko animalia da. Karraskarien barruko Allactaginae azpifamilia eta Dipodidae familian sailkatuta dago.

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Gerboise à quatre doigts

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Allactaga tetradactyla

La Gerboise à quatre doigts (Allactaga tetradactyla) est une espèce de la famille des Dipodidés. Cette gerboise vit en Égypte et en Libye. L'Union internationale pour la conservation de la nature (UICN) considère que les données actuelles sur cette espèce sont insuffisantes pour déterminer son statut.

Description

C'est un gerboise de couleur sable possédant 4 doigts à chaque patte et un nez retroussé. Elle possède une longue queue terminée de blanc

Taille

Queue : 15-20 cm

Corps : 24-30 cm

Poids : 20-40 g

Habitat

Dans les plaines de graviers entre Alexandrie et le golfe de Syrte.

Alimentation

Graines et racines de graminés.

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Gerboise à quatre doigts: Brief Summary

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Allactaga tetradactyla

La Gerboise à quatre doigts (Allactaga tetradactyla) est une espèce de la famille des Dipodidés. Cette gerboise vit en Égypte et en Libye. L'Union internationale pour la conservation de la nature (UICN) considère que les données actuelles sur cette espèce sont insuffisantes pour déterminer son statut.

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Vierteenrenmuis ( néerlandais ; flamand )

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De vierteenrenmuis (Allactaga tetradactyla) is een zoogdier uit de familie van de jerboa's (Dipodidae). De wetenschappelijke naam van de soort werd voor het eerst geldig gepubliceerd door Lichtenstein in 1823.

Kenmerken

Elke achterpoot bevat een extra teen, al blijft die veel kleiner dan de drie functionele tenen. Het is een typische renmuis met enorme springpoten, lange konijnenoren en een lange staart voor het evenwicht. Aan het einde van de staart bevindt zich een zwart-witte eindkwast. De rug is zwart en oranje gespikkeld, het achterste deel is oranje, de flanken zijn grijs en de buik is wit. De lichaamslengte bedraagt 10 tot 12 cm[2], de staartlengte 15,5 tot 18 cm en het gewicht 50 tot 55 gram.

Leefwijze

De dieren wagen zich alleen ’s nachts buiten om voedsel te zoeken, dat bestaat uit gras, bladen en zachte zaden.

Verspreiding

Deze solitaire soort komt voor in woestijnachtige gebieden van Noord-Afrika, met name in Egypte, oostelijk Libië, van Alexandrië naar de Golf van Syrte.

Bronnen, noten en/of referenties
  1. (en) Vierteenrenmuis op de IUCN Red List of Threatened Species.
  2. Charlotte Uhlenbroek (2008) - Animal Life, Tirion Uitgevers BV, Baarn. ISBN 978-90-5210-774-5
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Vierteenrenmuis: Brief Summary ( néerlandais ; flamand )

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De vierteenrenmuis (Allactaga tetradactyla) is een zoogdier uit de familie van de jerboa's (Dipodidae). De wetenschappelijke naam van de soort werd voor het eerst geldig gepubliceerd door Lichtenstein in 1823.

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Fyrtåig hästspringråtta ( suédois )

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Fyrtåig hästspringråtta (Allactaga tetradactyla)[3][4][5] är en däggdjursart som först beskrevs av Lichtenstein 1823. Fyrtåig hästspringråtta ingår i släktet hästspringråttor och familjen hoppmöss.[6][7] IUCN kategoriserar arten globalt som sårbar.[1] Inga underarter finns listade.[6]

Denna gnagare förekommer i Egypten och Libyen i en smal remsa längs Medelhavets kust. Habitatet utgörs av salthaltigt marskland och öknar.[1]

Källor

  1. ^ [a b c] 2008 Allactaga tetradactyla Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 2012-10-24.
  2. ^ Kai Curry-Lindahl, Afrikas Däggdjur, P. A. Norstedt & Söner Förlag, 1984, Stockholm, ISBN 91-1-834122-5, sid. 189
  3. ^ Wilson, Don E., and DeeAnn M. Reeder, eds. (1992) , Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing
  4. ^ (2005) , website Allactaga tetradactyla, Mammal Species of the World
  5. ^ (2001) , website, 2000 IUCN Red List of Threatened Species
  6. ^ [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.) (7 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.
  7. ^ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 2011-04-26

Externa länkar

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Fyrtåig hästspringråtta: Brief Summary ( suédois )

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Fyrtåig hästspringråtta (Allactaga tetradactyla) är en däggdjursart som först beskrevs av Lichtenstein 1823. Fyrtåig hästspringråtta ingår i släktet hästspringråttor och familjen hoppmöss. IUCN kategoriserar arten globalt som sårbar. Inga underarter finns listade.

Denna gnagare förekommer i Egypten och Libyen i en smal remsa längs Medelhavets kust. Habitatet utgörs av salthaltigt marskland och öknar.

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Allactaga tetradactyla ( ukrainien )

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Поширення

Знаходиться в зоні прибережних галькових рівнин в північному Єгипті та східній Лівії. Цей нічний вид зустрічається в рослинності на солончаках і області глинистої пустелі прибережних рівнинах.

Опис

Він має довгі задні лапи, короткі передні лапи і довгі вуха. Хутро кольору піску з білим підчерев'ям. Кожна задня нога має додатковий, четвертий палець на нозі, який є малим порівняно з 3 функціональними пальцями. Довгий хвіст служить для балансування. У кінці хвоста чорно-білі щітка. Довжина тіла від 10 до 12 см, довжина хвоста від 15,5 до 18 см, а вага від 50 до 55 грамів.

Поведінка

Їсть траву, листя і м'яке насіння. Велику частину світлового дня проводить в підземних норах. Пересувається величезними (як для свого розміру) стрибками.

Посилання


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Chuột nhảy jerboa bốn ngón ( vietnamien )

fourni par wikipedia VI
Đối với các định nghĩa khác, xem Chuột nhảy.
Đối với các định nghĩa khác, xem Chuột nhảy jerboa tai dài.

Chuột nhảy jerboa bốn ngón, tên khoa học Allactaga tetradactyla, là một loài động vật có vú trong họ Dipodidae, bộ Gặm nhấm. Loài này được Lichtenstein mô tả năm 1823.[2] Chúng được tìm thấy ở Ai CậpLibya.

Chú thích

  1. ^ Hutterer, R., Kryštufek, B. & Aulagnier, S. (2008). Allactaga tetradactyla. 2008 Sách đỏ IUCN. Liên minh Bảo tồn Thiên nhiên Quốc tế 2008. Truy cập ngày 11 tháng 2 năm 2009.
  2. ^ a ă Wilson, D. E.; Reeder, D. M. biên tập (2005). “Allactaga tetradactyla”. 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

 src= Wikimedia Commons có thêm hình ảnh và phương tiện truyền tải về Chuột nhảy jerboa bốn ngón  src= Wikispecies có thông tin sinh học về Chuột nhảy jerboa bốn ngón


Hình tượng sơ khai 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.
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Chuột nhảy jerboa bốn ngón: Brief Summary ( vietnamien )

fourni par wikipedia VI
Đối với các định nghĩa khác, xem Chuột nhảy. Đối với các định nghĩa khác, xem Chuột nhảy jerboa tai dài.

Chuột nhảy jerboa bốn ngón, tên khoa học Allactaga tetradactyla, là một loài động vật có vú trong họ Dipodidae, bộ Gặm nhấm. Loài này được Lichtenstein mô tả năm 1823. Chúng được tìm thấy ở Ai CậpLibya.

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original
visiter la source
site partenaire
wikipedia VI

네발가락뛰는쥐 ( coréen )

fourni par wikipedia 한국어 위키백과

네발가락뛰는쥐 또는 네발가락저보아(Allactaga tetradactyla)는 뛰는쥐과에 속하는 설치류의 일종이다. 네 발가락을 가지고 있다. 이집트리비아의 토착종이다. 해안가의 염분을 가진 소택과 건조 사막 지대에서 서식한다.

각주

  1. “Allactaga tetradactyla”. 《멸종 위기 종의 IUCN 적색 목록. 2008판》 (영어). 국제 자연 보전 연맹. 2008. 2009년 2월 11일에 확인함.
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