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Biology ( الإنجليزية )

المقدمة من Arkive
This spiky-tailed iguana is primarily arboreal, or tree-dwelling, and spends much of its time gripping to trunks and branches, where they remain motionless as they scan the surrounding area for prey. When the collared iguana spots an insect, their primary food source, they ambush it, moving quickly to capture it on a nearby tree surface or running to the ground to attack. Collared iguanas have also been observed positioning themselves near an ant trail where they can gain an easy meal by picking up the ants one by one. Occasionally, collared iguanas also eat plant matter, such as flowers found on the ground (6). When threatened by a bird of prey or a predatory snake, the collared iguana will retreat into a crack or crevice in a tree trunk, and use its armoured tail to form a barrier between itself and the predator (4). Collared iguanas lay their eggs after the first heavy rain of the rainy season. The female digs a hole, up to around 12 centimetres deep, in open ground where there is no live vegetation, often on a man-made forest trail. Into this hole the female lays a clutch of two to five eggs, with three or four eggs being the most common clutch size. The female then fills the hole with sandy soil and covers the nest with sand, dead leaves and twigs, so that the laying site blends into the surroundings. The female then immediately leaves the nest site. Despite the collared iguana's efforts at disguising the nest, they are still uncovered by snakes, such as the Malagasy giant hognose snake (Leioheterodon madagascariensis), which has been seen digging up and eating the collared iguana's eggs. If the eggs survive predation, they will remain in the nest for 61 to 71 days at a temperature of 29 to 31 °C before hatching (7).
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Conservation ( الإنجليزية )

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There are no known conservation measures currently in place for the collared iguana.
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Description ( الإنجليزية )

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The collared iguana is the most common lizard species in the western forests of Madagascar and the largest species in the Opluridae family (3). It is named for the distinctive black collar that stands out against the greyish-brown body, which is speckled with lighter spots. This iguana species has a robust, flattened build, with a chunky head and a relatively short tail, which bears spiny whorled scales down its length (2) (4). Female collared iguanas are duller in colour than males (4).
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Habitat ( الإنجليزية )

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The collared iguana inhabits tropical forest and rainforest (4).
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Range ( الإنجليزية )

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Occurs in north-western Madagascar and on Grand Comore Island. There are two subspecies: Oplurus cuvieri cuvieri is found in north-western Madagascar from western Diego-Suarez Province southward into northern Tulear Province, and inland to the western slopes of the Tananarive Province, with an isolated population in north-western Fianarantsoa Province. Oplurus cuvieri comorensis occurs only on Grand Comore Island, westward of the northern coast of Madagascar in the northern Mozambique Channel (5).
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Status ( الإنجليزية )

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This species has not yet been assessed by the IUCN.
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Threats ( الإنجليزية )

المقدمة من Arkive
The collared iguana has not yet been assessed by the IUCN and therefore it is not clear whether this species is threatened with extinction, and if so, what threats it faces. However, the forests of Madagascar face a number of threats which may be impacting on this iguana; this includes the burning of forests for the expansion of agricultural lands and the exploitation of trees for timber and charcoal (8).
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Leguán madagaskarský ( التشيكية )

المقدمة من wikipedia CZ

Leguán madagaskarský (Oplurus cuvieri) je druh leguána, největší druh vyskytující se na Madagaskaru. V ČR jej chovají ZOO Plzeň a Zoo Brno.

Charakteristika druhu

Druh dosahuje 25-30 cm (maximálně 40 cm) a váží 2 kg. Živí se převážně hmyzem, zřídka pak plody a listy rostlin. Páření probíhá 3 týdny po zimním období. Samice klade 3 vejce, která zahrabává do lehce vlhkého substrátu; při inkubační teplotě 29 stupňů se mláďata líhnou za 70–75 dnů.

Vyskytuje se na západní části Madagaskaru a od centra ostrova až na hranici východního deštného pralesa. Obývá suché lesy, kde šplhá na větší větve stromů či hledá úkryt v dutinách kmenů; lze ho zastihnout také v otevřené krajině na skalách či na zemi.

Odkazy

Reference

V tomto článku byl použit překlad textu z článku Oplurus cuvieri na anglické Wikipedii.

  1. Červený seznam IUCN 2018.1. 5. července 2018. Dostupné online. [cit. 2018-08-10]

Externí odkazy

Pahýl
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Pomozte Wikipedii tím, že jej vhodně rozšíříte. Nevkládejte však bez oprávnění cizí texty.
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Leguán madagaskarský: Brief Summary ( التشيكية )

المقدمة من wikipedia CZ

Leguán madagaskarský (Oplurus cuvieri) je druh leguána, největší druh vyskytující se na Madagaskaru. V ČR jej chovají ZOO Plzeň a Zoo Brno.

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Oplurus cuvieri ( الإنجليزية )

المقدمة من wikipedia EN

Oplurus cuvieri, commonly known as the collared iguana, the collared iguanid lizard, Cuvier's Madagascar skink, Cuvier's Madagascar swift, and the Madagascan collared iguana, is a species of arboreal lizard in the family Opluridae. The species is native to Madagascar and Comoros. There are two recognized subspecies. O. cuvieri is the largest of six species in the genus Oplurus.

Etymology

The specific name, cuvieri, is in honor of French naturalist Georges Cuvier.[3]

Description

As some of the common names suggest, O. cuvieri has a distinctive black collar that stands out against the body which is speckled with lighter spots. It has a large head, and the relatively short tail has spiny scales. The female is a duller brown colour.[4]

The images below show considerable variation in markings and coloration.

Geographic range

The collared iguana is found in the western tropical forests of Madagascar and on the island of Grand Comore in Comoros.[1]

Subspecies

Two subspecies are recognized as being valid, including the nominotypical subspecies.[2]

Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Oplurus.

Diet

O. cuvieri has a mostly carnivorous diet.[4]

Reproduction

Breeding of O. cuvieri is timed with the rainy season.[4]

References

  1. ^ a b Vences, M.; Hawlitschek, O. (2011). "Oplurus cuvieri ". IUCN Red List of Threatened Species. 2011: e.T172763A6913310. doi:10.2305/IUCN.UK.2011-2.RLTS.T172763A6913310.en. Retrieved 20 November 2021.
  2. ^ a b Oplurus cuvieri at the Reptarium.cz Reptile Database. Accessed 3 October 2020.
  3. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Oplurus cuvieri, p. 63).
  4. ^ a b c "Collared iguana". Arkive. Archived from the original on 2014-05-30. Retrieved 5 September 2014.
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Oplurus cuvieri: Brief Summary ( الإنجليزية )

المقدمة من wikipedia EN

Oplurus cuvieri, commonly known as the collared iguana, the collared iguanid lizard, Cuvier's Madagascar skink, Cuvier's Madagascar swift, and the Madagascan collared iguana, is a species of arboreal lizard in the family Opluridae. The species is native to Madagascar and Comoros. There are two recognized subspecies. O. cuvieri is the largest of six species in the genus Oplurus.

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Oplurus cuvieri ( الإسبانية، القشتالية )

المقدمة من wikipedia ES

Oplurus cuvieri o iguana de collar malgache es una especie de gecko de la familia Gekkonidae.[2]​ Es endémico de Gran Comora y Madagascar. En Gran Comora es amenazada por la caza y la captura para el comercio de mascotas exóticas.

Subespecies

Se reconocen las siguientes:[2]

Referencias

  1. Vences, M. & Hawlitschek, O. (2011). «Oplurus cuvieri». Lista Roja de especies amenazadas de la UICN 2014.3 (en inglés). ISSN 2307-8235. Consultado el 2 de febrero de 2015.
  2. a b Uetz, P. & Jirí Hošek (ed.). «Oplurus cuvieri». Reptile Database. Reptarium. Consultado el 3 de noviembre de 2014.
  • Hawlitschek, Oliver; Boris Brückmann, Johannes Berger, Katie Green, Frank Glaw 2011. Integrating field surveys and remote sensing data to study distribution, habitat use and conservation status of the herpetofauna of the Comoro Islands. ZooKeys 144: 21-79.

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Oplurus cuvieri: Brief Summary ( الإسبانية، القشتالية )

المقدمة من wikipedia ES

Oplurus cuvieri o iguana de collar malgache es una especie de gecko de la familia Gekkonidae.​ Es endémico de Gran Comora y Madagascar. En Gran Comora es amenazada por la caza y la captura para el comercio de mascotas exóticas.

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Oplurus cuvieri ( الباسكية )

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

المقدمة من wikipedia EU

Oplurus cuvieri Oplurus generoko animalia da. Narrastien barruko Opluridae familian sailkatuta dago.

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Oplurus cuvieri ( الفرنسية )

المقدمة من wikipedia FR

Oplurus cuvieri est une espèce de sauriens de la famille des Opluridae[1].

Répartition

Cette espèce se rencontre[1] :

Description

Oplurus cuvieri LP.JPG

Ce lézard atteint au maximum 35 cm de long[1].

Liste des sous-espèces

Selon Reptarium Reptile Database (27 février 2012)[2] :

  • Oplurus cuvieri comorensis (Angel, 1942)
  • Oplurus cuvieri cuvieri (Gray, 1831)

Étymologie

Cette espèce est nommée en l'honneur de Georges Cuvier[3]. Le nom de la sous-espèce, composé de comor et du suffixe latin -ensis, « qui vit dans, qui habite », lui a été donné en référence au lieu de sa découverte, l'île de Grande Comore aux Comores.

Publications originales

  • Angel, 1942 : Les Lézards de Madagascar, p. 1-193.
  • Gray, 1831 "1830" : A synopsis of the species of Class Reptilia. The animal kingdom arranged in conformity with its organisation by the Baron Cuvier with additional descriptions of all the species hither named, and of many before noticed, V Whittaker, Treacher and Co., London, vol. 9, Supplement, p. 1-110 (texte intégral).

Notes et références

  1. a b et c Reptarium Reptile Database, consulté lors d'une mise à jour du lien externe
  2. Reptarium Reptile Database, consulté le 27 février 2012
  3. Beolens, Watkins & Grayson, 2009 : The Eponym Dictionary of Reptiles. Johns Hopkins University Press, p. 1-296
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Oplurus cuvieri: Brief Summary ( الفرنسية )

المقدمة من wikipedia FR

Oplurus cuvieri est une espèce de sauriens de la famille des Opluridae.

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Oplurus cuvieri ( الإيطالية )

المقدمة من wikipedia IT

L'iguana codaspinosa del Madagascar (Oplurus cuvieri Gray, 1831) è un sauro della famiglia Opluridae, endemico del Madagascar e delle isole Comore.[2]

L'epiteto specifico è un omaggio al naturalista francese George Cuvier (1769-1832).

Descrizione

 src=
Esemplare di O. cuvieri nel Parco nazionale di Kirindy-Mitea

È un sauro di medie dimensioni, che solitamente non supera i 40 cm di lunghezza.[3]
Ha una coda robusta, provvista di squame spinose, che utilizza come arma nei conflitti con i rivali.
Presenta un discreto dimorfismo sessuale: i maschi si differenziano dalle femmine per le maggiori dimensioni e per la presenza di una macchia giallastra in corrispondenza delle squame peri-anali, che può estendersi al ventre.[4]

Biologia

Sono animali solitari, attivi durante le ore diurne. Sono prevalentemente arboricoli ma scendono occasionalmente sul terreno.

Alimentazione

Hanno una dieta onnivora che comprende prevalentemente insetti e occasionalmente anche piccoli vertebrati; nella stagione delle piogge, periodo in cui le prede scarseggiano, diventano prevalentemente erbivori nutrendosi di foglie, germogli e semi.[5][6]
Trascorrono la maggior parte del tempo aggrappati ai rami degli alberi e tendono agguati fulminei alle prede che capitano loro a tiro[7].

Riproduzione

È una specie ovipara; durante la stagione delle piogge la femmina scava una buca nel terreno nella quale depone depone da 2 a 5 uova che poi ricopre di terra.[8]

Distribuzione e habitat

L'areale di questa specie comprende il Madagascar nord-occidentale e l'isola Grande Comore.[2] Il suo habitat tipico è la foresta decidua secca ma lo si può trovare anche nelle foreste transizionali e nelle aree coltivate.

Tassonomia

Sono note due sottospecie:[2]

  • Oplurus cuvieri cuvieri (Gray, 1831) - diffusa in Madagascar
  • Oplurus cuvieri comorensis (Angel, 1942) - esclusiva delle isole Comore

Note

  1. ^ (EN) Vences, M. & Hawlitschek, O. 2011, Oplurus cuvieri, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020.
  2. ^ a b c Oplurus cuvieri, in The Reptile Database. URL consultato il 30 maggio 2014.
  3. ^ Iguana spinosa del Madagascar, in Animali del Bioparco di Roma. URL consultato il 30 maggio 2014.
  4. ^ Randriamahazo H.J.A.R., Sexual size dimorphism in the lizard Oplurus cuvieri cuvieri (Squamata, Opluridae) from Madagascar , in African Zoology, vol. 35, n. 2, 2000, pp. 287–293.
  5. ^ Mori A. and Randriamahazo H.J.A.R., Examination of Myrmecophagy and Herbivory in the Madagascan Spiny-taild Iguana, Oplurus cuvieri (Reptilia: Opluridae), in Current Herpetology, vol. 31, n. 1, 2012, pp. 8-13.
  6. ^ Rosa G.M. & Rakotozafy S., Opportunistic but voracious: Madagascan spiny-tailed iguana, Oplurus cuvieri (Reptilia: Opluridae) predation upon a small mammal, in Herpetology Notes, vol. 6, 2013, pp. 459-461.
  7. ^ Mori A. and Randriamahazo H.J.A.R., Foraging mode of a Madagascan iguanian lizard, Oplurus cuvieri cuvieri, in African Journal of Ecology, vol. 40, 2002, pp. 61-64.
  8. ^ Randriamahazo H.J.A.R., Mori A., Egg-laying activities and reproductive traits in females of Oplurus cuvieri cuvieri, in Journal of Herpetology, vol. 35, 2001, pp. 209-217.

Bibliografia

  • Randriamahazo H.J.A.R. and Mori A., Thermal biology of an Iguaninia lizard, Oplurus cuvieri cuvierii, in a tropical dry forest of Madagascar, in Current Herpetology, vol. 23, 2004, pp. 53-62.

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Oplurus cuvieri: Brief Summary ( الإيطالية )

المقدمة من wikipedia IT

L'iguana codaspinosa del Madagascar (Oplurus cuvieri Gray, 1831) è un sauro della famiglia Opluridae, endemico del Madagascar e delle isole Comore.

L'epiteto specifico è un omaggio al naturalista francese George Cuvier (1769-1832).

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Oplurus cuvieri ( الفيتنامية )

المقدمة من wikipedia VI

Oplurus cuvieri là một loài thằn lằn trong họ Opluridae. Loài này được Gray mô tả khoa học đầu tiên năm 1831.[1]

Hình ảnh

Tham khảo

  1. ^ Oplurus cuvieri. The Reptile Database. Truy cập ngày 31 tháng 5 năm 2013.


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Oplurus cuvieri: Brief Summary ( الفيتنامية )

المقدمة من wikipedia VI

Oplurus cuvieri là một loài thằn lằn trong họ Opluridae. Loài này được Gray mô tả khoa học đầu tiên năm 1831.

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