Trimeresurus tibetanus

{{Short description|Species of snake}} {{Speciesbox | image = | status = LC | status_system = IUCN3.1 | status_ref = <ref name=IUCN>{{Cite journal |author=Rao, D.-Q. |author-link=species:Ding-Qi Rao |author2=Li, P. |author2-link=species:Pi-Peng Li |author3=Tshewang, S. |author4=Limbu, K.P. |author5=Bhattarai S. |author5-link=species:Santosh Bhattarai |title=''Trimeresurus tibetanus'' (amended version of 2021 assessment) |journal=[[The IUCN Red List of Threatened Species]] |volume=2022 |page=e.T178471A219112026 |publisher=[[IUCN]] |date=2022 |url=https://www.iucnredlist.org/details/178471/0 |doi=10.2305/IUCN.UK.2022-2.RLTS.T178471A219112026.en |access-date=28 July 2024|doi-access=free}}</ref> |genus = Trimeresurus |species = tibetanus |authority = [[species:Zheng-Yi Huang|Huang]], 1982 |synonyms = *''Trimeresurus tibetanus'' <br/>{{small|Huang, 1982}}<ref name=McD99>[[species:Roy Wallace McDiarmid|McDiarmid RW]], [[Jonathan A. Campbell|Campbell JA]], [[species:T'Shaka A. Touré|Touré TA]] (1999). ''Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1''. Washington, District of Columbia: Herpetologists' League. 511 pp. {{ISBN|1-893777-00-6}} (series). {{ISBN|1-893777-01-4}} (volume).</ref> *''Trimeresurus karanshahi'' <br/>{{small|[[Nikolai Liutsianovich Orlov|Orlov]] & [[species:Notker Helfenberger|Helfenberger]], 1998}} *''Himalayophis tibetanus'' <br/>{{small|— [[species:Anita Malhotra|Malhotra]] & [[species:Roger S. Thorpe|Thorpe]], 2004}} *''Trimeresurus (Himalayophis) tibetanus'' {{small|— [[species:Patrick David|David]] et al., 2011}}<ref name=RDB>{{EMBL species|genus=Trimeresurus|species=tibetanus}} www.reptile-database.org.</ref> }}

'''''Trimeresurus tibetanus''''', also [[Common name|commonly]] known as the '''Tibetan bamboo pit viper'''<ref name="Gum04">[[species:Andreas Gumprecht|Gumprecht A]], [[species:Frank Tillack|Tillack F]], [[species:Nikolai Liutsianovich Orlov|Orlov NL]], [[Ashok Captain|Captain A]], [[species:Sergei Aleksandrovich Ryabov|Ryabov S]] (2004). ''Asian Pit vipers''. First Edition. Berlin: Geitje Books. 368 pp. {{ISBN|3-937975-00-4}}.</ref> and the '''Tibetan pit viper''', is a [[species]] of [[venomous snake|venomous]] [[pit viper]] in the [[Family (taxonomy)|family]] [[Viperidae]]. The species is found only in [[Tibet]]. There are no [[subspecies]] that are recognized as being valid.<ref name=ITIS>{{ITIS|id=634934|taxon=''Trimeresurus tibetanus''|accessdate=28 July 2008}}</ref>

==Description== The scalation of ''T. tibetanus'' includes 21 (19 or 20) rows of [[dorsal scales]] at midbody, 147–152/145–159 [[ventral scales]] in males/females, 46–54/40–48 [[subcaudal scales]] in males/females, and 7–9 [[supralabial scale]]s.<ref name=Gum04/>

==Geographic range== ''T. tibetanus'' is [[Endemism|endemic]] to Tibet ([[Tibet Autonomous Region]], [[China]]). The [[Type locality (biology)|type locality]] given is "[[Tibet Autonomous Region|Xizang Province]], Nielamou District, Quekesumou, altitude {{convert|3200|m}}". In their English translation of Huang's publication, David and Tong (1997) list the type locality as "Tibet", but give "[[Nyalam County|Naylam]], Chokesumo" in the summary.<ref name=McD99/>

==Habitat== ''T. tibetanus'' is found at altitudes of {{cvt|2,700|–|3,200|m|ft}} in a variety of natural [[habitat]]s, including [[forest]], [[shrubland]], [[grassland]], and rocky areas, and it has also been found disturbed areas such as cropland.<ref name=IUCN/>

==Reproduction== ''T. tibetanus'' has been observed to be both [[Oviparity|oviparous]]<ref name=IUCN/> and [[Ovoviviparity|ovoviviparous]].<ref name=IUCN/><ref name=RDB/>

==Etymology== The [[Specific name (zoology)|specific name]], ''karahahi'', of the junior synonym is in honor of Nepali zoologist [[species:Karan Bahadur Shah|Karan Bahadur Shah]].<ref>[[species:Bo Beolens|Beolens B]], [[species:Michael Watkins|Watkins M]], [[species:Michael Grayson|Grayson M]] (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. {{ISBN|978-1-4214-0135-5}}. (''Trimeresurus karanshahi'', p. 138).</ref>

==References== {{Reflist}}

==Further reading== *[[species:Patrick David|David, Patrick]]; [[species:Haiyan Tong|Tong, Haiyan]] (1997). "Translations of Recent Descriptions of Chinese Pitvipers of the ''Trimeresurus''-complex (Serpentes, Viperidae), with a Key to the Complex in China and Adjacent Areas". ''Smithsonian Herpetological Information Service'' (112): 1-31. *[[species:Zheng-Yi Huang|Huang, Zheng-yi]] (1982). "[A New Species of Crotalid Snake from Tibet]" ''Journal of Fudan University (Natural Science)'' '''21''' (1): 116–118. (''Trimeresurus tibetanus'', new species). (in Chinese).

[[Category:Reptiles described in 1982]] [[Category:Endemic fauna of Tibet]] [[Category:Snakes of China]] [[Category:Trimeresurus|tibetanus]]