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Distribution ( İngilizce )

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Continent: Australia
Distribution: Australia (Queensland, Cape York Peninsula)
Type locality: Buthen Buthen, Nesbit River, Cape York Peninsula [keithhornei].
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Australischer Baumwaran ( Almanca )

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Der Australische Baumwaran (Varanus keithhornei) ist eine Art der Warane, die endemisch in Nordostaustralien ist. Sie wird zu der Untergattung Euprepiosaurus gezählt, wo sie die einzige Art der V. prasinus-Gruppe auf dem australischen Festland ist.[1] Die Erstbeschreibung dieser Art erfolgte durch Wells & Wellington, 1985.[2]

Körperbau, Aussehen

Der Australische Baumwaran kann ausgewachsen eine Gesamtkörperlänge von bis zu 75 cm erreichen. Vom Habitus ähnelt der Australische Baumwaran stark den anderen Vertretern der Prasinus-Gruppe. Zu den anderen Arten bestehen jedoch Unterschiede bei den Schuppenmerkmalen. Dieses äußerliche Merkmal sorgte für den Art-Status von Varanus keithhornei. Die Grundfärbung der Schuppen auf der Oberseite ist mattschwarz. Die Kopfschuppen sind relativ groß und glatt. Manche Scutum oculare sind vergrößert, aber weisen kaum Unterschiede zu den Interocularia auf. Das nach oben und außen gerichtete Nasenloch befindet sich näher zur Schnauzenspitze als zum Auge. Um die Körpermitte sind 75-90 Schuppenreihen angeordnet. Der Schwanz ist seitlich ein wenig zusammengedrückt, ohne dass ein sichtbarer Kiel vorhanden ist. Einen leichten Kiel haben jedoch die Schwanzschuppen, welche in regelmäßigen Ringen angeordnet sind.

Verbreitung

Die Verbreitung des Australischen Baumwarans beschränkt sich auf ein kleines Gebiet in der Iron Range und der McIlwraith Range auf der Kap-York-Halbinsel im äußersten Norden Queenslands.[3] IRWIN 1994 beobachtete 4 Tiere in dem Gebiet der Iron Range. 3 dieser Tiere wurden dabei gefangen, als sie sich vermutlich bei der Nahrungssuche im Laub auf dem Boden aufhielten. Das vierte Tier befand sich auf einem Baum in einer Höhe von 5 Metern.[4]

Systematik

Die erste Nachweisung dieser Art erfolgte von CZECHURA (1980). Aber erst SPRACKLAND (1991b) hat bei einer taxonomischen Überarbeitung bei der Art eine Verbindung zur Prasinus-Gruppe festgestellt. Der Australische Baumwaran ist somit der erste und bisher einzige bekannte Vertreter der Prasinus-Gruppe, der auf dem Festland Australiens endemisch ist. Sprackland hatte jedoch übersehen, das WELLS & WELLINGTON (1985) dieser Art schon den wissenschaftlichen Namen V. keithhornei gegeben hatten. Somit gilt der von SPRACKLAND eingeführte Name Varanus teriae als ein Synonym von V. keithhornei. In der englischen Sprache ist Varanus keithhornei unter den Namen canopy goanna, blue-nosed goanna[5] und Nesbit River monitor[6] bekannt.

Literatur

  • IRWIN, S. (1996): an innovative strategy for the detection of egg deposition in captive varanid reptiles.- Herpetofauna, Sydney, 26 (1): 31-32.
  • SPRACKLAND, R. (1991): Taxonomic review of the Varanus prasinus group with description of two new species.- Mem Qld. Mus., 30 (3): 561-576.
  • IRWIN, S. (1994): Notes on Behavior and Diet of Varanus teriae SPRACKLAND, 1991.- Mem. Qld. Mus., 35 (1): 128.
  • BÖHME, W. (2003): Checklist of the living Monitor Lizards of the world (Family Varanidae).- Zoologische Verhandelingen, Leiden, 44 S.
  • KIRSCHNER, A., T. MÜLLER & H. SEUFER (1996): Faszination Warane.- Kirschner & Seufer Verlag, Keltern-Weiler, 254 S.
  • CZECHURA, G. V. (1980): The Emerald Monitor Varanus prasinus (SCHLEGEL): An addition to the Australian mainland herpetofauna.- Mem. Qld. Mus., Brisbane, 20 (1): 103-109.

Einzelnachweise

  1. Ziegler, T.; A. Schmitz, A. Koch & W. Böhme (2007): A review of the subgenus Euprepiosaurus of Varanus (Squamata: Varanidae): Morphological and molecular phylogeny, distribution and zoogeography, with an identification key for the members of the V. indicus and the V. prasinus species groups. Zootaxa 1472, S. 1–28
  2. Australischer Baumwaran auf itis.gov
  3. (CZECHURA 1980, GREENE 1986, SPRACKLAND 1991b)
  4. IRWIN 1994 fing Varanus keithhornei auf australiazoo.com.au/
  5. Australischer Baumwaran auf mampam.com
  6. CommonNames von Varanus keithhornei In: The Reptile Database
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Australischer Baumwaran: Brief Summary ( Almanca )

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Der Australische Baumwaran (Varanus keithhornei) ist eine Art der Warane, die endemisch in Nordostaustralien ist. Sie wird zu der Untergattung Euprepiosaurus gezählt, wo sie die einzige Art der V. prasinus-Gruppe auf dem australischen Festland ist. Die Erstbeschreibung dieser Art erfolgte durch Wells & Wellington, 1985.

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Canopy goanna ( İngilizce )

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Varanus keithhornei, commonly known as the canopy goanna, Keith Horne's monitor, blue-nosed tree monitor,[4] or Nesbit River monitor,[5] is a species of monitor lizards native to northeast Australia. It is a member of the Varanus prasinus species group.[6]

This monitor lizard is found in a restricted area of less than 100 km2 near the Claudie and Nesbit rivers, in the McIlwraith and Iron Ranges of the Cape York Peninsula in northern Queensland.[2][7][8]

Description

The colouration of V. keithhornei is dark black on the upper side. It has moderately big and smooth head scales. Its tail has no visible keel.[6] The canopy goanna is small for a monitor lizard, reaching a total length up to 77 cm,[9] but more robust than other species of the V. prasinus species complex, and can be further distinguished from them by its colour and the conical throat scales.[8]

Specimens were originally assigned to the species Varanus prasinus by Czechura in 1980,[8] but Wells and Wellington declared it a new species 5 years later.

Diet

They forage in the trees and the leaf litter for insects such as orthopterans, roaches, and beetles.[8]

References

  1. ^ Couper, P.; Hoskin, C.; Amey, A. (2018). "Varanus keithhornei". IUCN Red List of Threatened Species. 2018: e.T83778172A101752330. doi:10.2305/IUCN.UK.2018-2.RLTS.T83778172A101752330.en. Retrieved 20 November 2021.
  2. ^ a b "Varanus keithhornei". Archived from the original on 19 May 2010. Retrieved 19 May 2010.
  3. ^ ITIS.gov
  4. ^ "Mampam Conservation – Varanus keithhorni". mampam.com. Archived from the original on 23 July 2011. Retrieved 26 April 2010.
  5. ^ "Varanus keithhornei". The Reptile Database.
  6. ^ a b Monitor-lizards.net Archived 19 May 2010 at the Wayback Machine
  7. ^ "Support Wildlife – Australia Zoo – Help Us Help Wildlife".
  8. ^ a b c d Bennett, Daniel (1 January 1995). A little book of monitor lizards. Viper Press. pp. 128. ISBN 9780952663201.
  9. ^ "Canopy goanna (Varanus keithhornei) at the Australian Reptile Online Database | AROD.com.au". arod.com.au.
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Canopy goanna: Brief Summary ( İngilizce )

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Varanus keithhornei, commonly known as the canopy goanna, Keith Horne's monitor, blue-nosed tree monitor, or Nesbit River monitor, is a species of monitor lizards native to northeast Australia. It is a member of the Varanus prasinus species group.

This monitor lizard is found in a restricted area of less than 100 km2 near the Claudie and Nesbit rivers, in the McIlwraith and Iron Ranges of the Cape York Peninsula in northern Queensland.

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Varanus keithhornei ( Baskça )

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Varanus keithhornei: Brief Summary ( Baskça )

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Varanus keithhornei Varanus generoko animalia da. Narrastien barruko Varanidae familian sailkatuta dago.

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Varanus keithhornei ( Fransızca )

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Varanus keithhornei est une espèce de sauriens de la famille des Varanidae[1].

Répartition

Cette espèce est endémique de la péninsule du cap York dans l’État du Queensland en Australie[1].

Étymologie

Cette espèce est nommée en l'honneur de Keith Horne.

Taxinomie

Cette espèce a d'abord vu nom remplacé par Varanus teriae Sprackland, 1991[2] avant d'être finalement revalidé[3].

Publications originales

  • Sprackland, 1991 : Taxonomic review of the Varanus prasinus group with descriptions of two new species. Memoirs of the Queensland Museum, vol. 3, n. 3, p. 561-576.
  • Wells & Wellington, 1985 : A classification of the Amphibia and Reptilia of Australia. Australian Journal of Herpetology, Supplemental Series, vol. 1, p. 1-61 (texte intégral).

Notes et références

  1. a et b (en) Référence Reptarium Reptile Database : Varanus keithhornei
  2. Anonymous 2001 : Opinion 1970 - Varanus teriae Sprackland, 1991 (Reptilia, Squamata): proposed conservation of the specific name. Bulletin of Zoological Nomenclature, vol. 54, n. 1, p. 100-103 (texte intégral)
  3. Anonymous 2001 : Opinion 1970 - Odatria keithhornei Wells & Wellington 1985 (Reptilia, Sauria): specific name placed on Official List. Bulletin of Zoological Nomenclature, vol. 58, n. 1, p. 74 (texte intégral)
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Varanus keithhornei: Brief Summary ( Fransızca )

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Varanus keithhornei est une espèce de sauriens de la famille des Varanidae.

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Varanus keithhornei ( İtalyanca )

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Il varano della volta (Varanus keithhornei Wells e Wellington, 1985) è una specie della famiglia dei Varanidi originaria dell'Australia nord-orientale. È noto anche come varano dal naso azzurro[3] o, più raramente, varano del fiume Nesbit[4]. Appartiene al sottogenere Euprepiosaurus[5] e fa parte del gruppo prasinus[6].

Descrizione

La colorazione di V. keithhornei è nera sulla regione dorsale. Le squame della testa sono abbastanza grandi e lisce. La coda non presenta una carena visibile[6]. Per essere un varano, quello della volta ha dimensioni piuttosto piccole, raggiungendo al massimo una lunghezza totale di 77 cm[7].

Distribuzione e habitat

L'areale del varano della volta è ristretto ad una piccola area nei pressi del fiume Nesbit, sui monti McIlwraith e Iron, nella penisola di Capo York (Queensland settentrionale)[1][8].

Biologia

Come le altre specie di varani del gruppo prasinus, è un ottimo arrampicatore, come si può intuire dalla prensilità della coda.

Note

  1. ^ a b Varanus keithhornei Archiviato il 19 maggio 2010 in Internet Archive.
  2. ^ ITIS.gov
  3. ^ Mampam.com. URL consultato il 27 luglio 2011 (archiviato dall'url originale il 23 luglio 2011).
  4. ^ JCVI.org
  5. ^ Kingsnake.com
  6. ^ a b Monitor-lizards.net Archiviato il 19 maggio 2010 in Internet Archive.
  7. ^ Reptilesdownunder.com. URL consultato il 27 luglio 2011 (archiviato dall'url originale l'11 giugno 2011).
  8. ^ Australiazoo.com.au

Bibliografia

  • Photos of Varanus keithhornei at Pbase.com, su secure2.pbase.com.
  • Anonymous 2001. Opinion 1970 - Odatria keithhornei WELLS & WELLINGTON 1985 (Reptilia, Sauria): specific name placed on Official List. Bulletin of Zoological Nomenclature 58 (1): 74
  • Bleeker, P. 1856. Reis Minahassa 1: 278
  • Cogger,H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp.
  • Czechura, G. V. 1980. The emerald monitor Varanus prasinus (Schlegel): an addition to the Australian mainland herpetofauna. Mem. Qd Mus. 20: 103-109
  • De Lisle, H.F. 1996. Natural History of Monitor Lizards. Krieger, Malabar (Florida)
  • Eidenmüller, B. 2007. Small monitors in the terrarium. Reptilia (GB) (50): 12-19
  • Sprackland, R. G. 1991. Taxonomic review of the Varanus prasinus group with descriptions of two new species. Mem. Queensl. Museum, 3 (3): 561-576.
  • Wells, R. W. and Wellington, C. R. 1985. A classification of the Amphibia and Reptilia of Australia. Australian Journal of Herpetology, Supplementary Series, (1):1-61.
  • Ziegler, T. & W. BÖHME 1998. Comments on the proposed conservation of the specific name Varanus teriae SPRACKLAND, 1991 (Reptilia, Squamata) (Case 3043; see BZN 54: 100-103, 250-251; 55: 37-39). Bull. Zool. Nomenclature 55 (2): 111-113.
  • Ziegler, T., Schmitz, A., Koch, A. & W. Böhme 2007. A review of the subgenus Euprepiosaurus of Varanus (Squamata: Varanidae): morphological and molecular phylogeny, distribution and zoogeography, with an identification key for the members of the V. indicus and the V. prasinus species groups. Zootaxa 1472: 1-28

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Varanus keithhornei: Brief Summary ( İtalyanca )

wikipedia IT tarafından sağlandı

Il varano della volta (Varanus keithhornei Wells e Wellington, 1985) è una specie della famiglia dei Varanidi originaria dell'Australia nord-orientale. È noto anche come varano dal naso azzurro o, più raramente, varano del fiume Nesbit. Appartiene al sottogenere Euprepiosaurus e fa parte del gruppo prasinus.

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Varanus keithhornei ( Romence; Moldovaca )

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Varanus keithhornei[3] este o specie de reptile din genul Varanus, familia Varanidae, descrisă de Wells și Wellington 1985.[6][7] Conform Catalogue of Life specia Varanus keithhornei nu are subspecii cunoscute.[6]

Referințe

  1. ^ Ziegler, T., Schmitz, A., Koch, A. & W. Böhme (2007) A review of the subgenus Euprepiosaurus of Varanus (Squamata: Varanidae): morphological and molecular phylogeny, distribution and zoogeography, with an identification key for the members of the V. indicus and the V. prasinus species groups., Zootaxa 1472: 1-28
  2. ^ Sprackland, R. G. (1991) Taxonomic review of the Varanus prasinus group with descriptions of two new species., Mem. Queensl. Museum, 3 (3): 561-576.
  3. ^ a b Wells, R. W. and Wellington, C. R. (1985) A classification of the Amphibia and Reptilia of Australia., Australian Journal of Herpetology, Supplementary Series, (1):1-61.
  4. ^ Czechura, G. V. (1980) The emerald monitor Varanus prasinus (Schlegel): an addition to the Australian mainland herpetofauna., Mem. Qd Mus. 20: 103-109
  5. ^ Bleeker, P. (1856) , Reis Minahassa 1: 278
  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.) (2011). „Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist”. Species 2000: Reading, UK. Accesat în 24 september 2012. Verificați datele pentru: |access-date= (ajutor)Mentenanță CS1: Nume multiple: lista autorilor (link)
  7. ^ TIGR Reptile Database . Uetz P. , 2007-10-02


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Varanus keithhornei: Brief Summary ( Romence; Moldovaca )

wikipedia RO tarafından sağlandı

Varanus keithhornei este o specie de reptile din genul Varanus, familia Varanidae, descrisă de Wells și Wellington 1985. Conform Catalogue of Life specia Varanus keithhornei nu are subspecii cunoscute.

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Varanus keithhornei ( Vietnamca )

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Varanus keithhornei là một loài thằn lằn trong họ Varanidae. Loài này được Wells & Wellington mô tả khoa học đầu tiên năm 1985.[3]

Tham khảo

  1. ^ [1]
  2. ^ ITIS.gov
  3. ^ Varanus keithhornei. The Reptile Database. Truy cập ngày 31 tháng 5 năm 2013.


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Varanus keithhornei: Brief Summary ( Vietnamca )

wikipedia VI tarafından sağlandı

Varanus keithhornei là một loài thằn lằn trong họ Varanidae. Loài này được Wells & Wellington mô tả khoa học đầu tiên năm 1985.

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