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Dendrelaphis ngansonensis (BOURRET, 1935)

IUCN Red List - Dendrelaphis ngansonensis - Least Concern, LC

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Higher TaxaColubridae, Ahaetuliinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Nganson Bronzeback
Chinese: 银山过树蛇 
SynonymDendrophis pictus ngansonensis BOURRET 1935
Dendrelaphis ngansonensis — ZIEGLER & VOGEL 1999
Dendrelaphis ngansonensis — ZIEGLER 2002: 227
Dendrelaphis ngonsonensis — KUCHARZEWSKI 2009
Dendrelaphis ngansonensis — WALLACH et al. 2014: 219 
DistributionVietnam, Laos (Xieng-Khouang), Thailand, China [Yunnan, HR 38: 355], Cambodia

Type locality: Ngàn-Son, Tonkin, N Vietnam.  
Reproductionoviparous 
TypesHolotype: VNUH (= HNUV) M.449 
Diagnosis 
CommentBehavior: diurnal + nocturnal.

Group: Jiang et al. 2020 defined the D. cyanochloris complex as being composed of D. cyanochloris and D. ngansonensis.

Habitat: fully arboreal (Harrington et al. 2018) 
EtymologyNamed after the type locality. 
References
  • Blackburn, D.G. 1993. STANDARDIZED CRITERIA FOR THE RECOGNITION OF REPRODUCTIVE MODES IN SQUAMATE REPTILES. Herpetologica 49 (1): 118-132 - get paper here
  • Bourret, R. 1935. Notes herpetologiques sur l´Indochine francaise. XI. Sur quelques serpents récolte´s en 1934. Bull. gén. Instr. Publ. 1934/35 (9. May): 289-296
  • Chan-ard, T., Parr, J.W.K. & Nabhitabhata, J. 2015. A field guide to the reptiles of Thailand. Oxford University Press, NY, 352 pp. [see book reviews by Pauwels & Grismer 2015 and Hikida 2015 for corrections] - get paper here
  • Deuve, J. 1970. Serpents du Laos. Office de la Recherche Scientifique et Technique Outre-Mer, Paris, Mem. no. 39 251 pp. - get paper here
  • Geissler, Peter, Truong Quang Nguyen, Nikolay A. Poyarkov & Wolfgang Böhme 2011. New records of snakes from Cat Tien National Park, Dong Nai and Lam Dong provinces, southern Vietnam. Bonn zoological Bulletin 60 (1): 9-16 - get paper here
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • Jestrzemski, Daniel; Stefan Schütz, Truong Quang Nguyen, Thomas Ziegler 2013. A survey of amphibians and reptiles in Chu Mom Ray National Park, Vietnam, with implications for herpetofaunal conservation. Asian Journal of Conservation Biology, 2 (2): 88–110 - get paper here
  • Kucharzewski, C. 2009. Buchbesprechung: Zhao, E.M., Snakes of China. Sauria 31 (3): 55-58 - get paper here
  • Neang T., Grismer, L.L., Hun S. & Phan C. 2015. New herpetofauna records and range extensions for Daboia siamensis (Smith, 1917) and Gekko petricolus Taylor, 1962 from Cambodia. Cambodian Journal of Natural History, 2015: 172–182 - get paper here
  • Nguyen, S.V., Ho, C.T. and Nguyen, T.Q. 2009. Herpetofauna of Vietnam. Chimaira, Frankfurt, 768 pp.
  • Pham AV, Ziegler T, Nguyen TQ 2020. New records and an updated checklist of snakes from Son La Province, Vietnam. Biodiversity Data Journal 8: e52779 - get paper here
  • Thinh, Bui Bao; <br>Trinh Thi Hong; <br>Hoang Ngoc Thao; Bui Bao Thien 2018. Initial building the sample sets of amphibians and reptiles in the Hong Duc University (Viet Nam). Постулат. 2018. No12 УДК 597.6 + 598.1 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Wang K, Lyu ZT, Wang J, Qi S, Che J 2022. Updated Checklist and Zoogeographic Division of the Reptilian Fauna of Yunnan Province, China. Biodiversity Science 30 (4): 21326, 1–31 - get paper here
  • Wang, Kai; Jinlong Ren, Hongman Chen, Zhitong Lyu, Xianguang Guo Ke Jiang, Jinmin Chen, Jiatang Li, Peng Guo, Yingyong Wang, Jing Che 2020. The updated checklists of amphibians and reptiles of China. Biodiversity Science 28 (2): 189-218 - get paper here
  • Ziegler, T. 2002. Die Amphibien und Reptilien eines Tieflandfeuchtwald-Schutzgebietes in Vietnam. Natur und Tier Verlag (Münster), 342 pp. - get paper here
  • Ziegler, T. & G. VOGEL 1999. On the knowledge and specific status of Dendrelaphis ngansonensis (BOURRET, 1935) (Reptilia: Serpentes: Colubridae). Russ. J. Herpetol. 6 (3): 199-208 - get paper here
  • Ziegler, T., RAUHAUS, A., TRAN, T.D., PHAM, C.T., VAN SCHINGEN, M., DANG, P.H., LE, M.D. & NGUYEN, T.Q. 2015. Die Amphibien- und Reptilienfauna der Me-Linh-Biodiversitätsstation in Nordvietnam. Sauria 37 (4): 11-44 - get paper here
  • ZIEGLER, THOMAS; RALF HENDRIX, VU NGOC THANH, MARTINA VOGT, BERNHARD FORSTER & DANG NGOC KIEN 2007. The diversity of a snake community in a karst forest ecosystem in the central Truong Son, Vietnam, with an identification key. Zootaxa 1493: 1-40 - get paper here
 
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