Dendrelaphis Gorei
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''Dendrelaphis'' is a genus of snakes in the subfamily Ahaetuliinae of the Family (biology), family Colubridae. Species of the genus ''Dendrelaphis'' are distributed from Pakistan, India and southern China to Indonesia, Timor-Leste, the Philippines, Australia, New Guinea and the Solomon Islands. There are over 50 scientific description, described species. Asian species are known Common name, commonly as bronzebacks, while the Australo-Papuan species are simply called tree snakes. All are non-venomous and entirely harmless to humans.


Taxonomy

''Dendrelaphis'' is one of five genera belonging to the vine snake subfamily Ahaetuliinae, of which ''Dendrelaphis'' is most closely related to ''Chrysopelea'', as shown in the cladogram below:


Species

This list is based on the latest checklist of snakes in the world and recent revisions and descriptions published in the scientific literature. The authors of a 2015 revision of the Australo-Papuan ''Dendrelaphis'' species recommended the Synonym (taxonomy), synonymizing of ''D. solomonis'' within ''D. calligaster'', the elevation of ''D. keiensis'' to species status, the resurrection of ''D. lineolatus'' from within ''D. calligaster'', and the resurrection of ''D. macrops'' and elevation of ''D. striolatus'' from within ''D. punctulatus''. They also confined ''D. punctulatus'' to Australia and ''D. papuensis'' to the Trobriand Islands of Papua New Guinea. *''Dendrelaphis andamanensis'' – Andaman Islands, Andaman bronzeback *''Dendrelaphis anthracina'' *''Dendrelaphis ashoki'' – Ashok Captain, Ashok's bronzeback tree snake *''Dendrelaphis atra'' *''Dendrelaphis bifrenalis'' – Boulenger's bronzeback – southern India and Sri Lanka *''Dendrelaphis biloreatus'' – St George Corbet Gore, Gore's bronzeback *''Dendrelaphis binhi'' – Binh's bronzeback *''Dendrelaphis calligaster'' – northern treesnake, green treesnake, coconut treesnake *''Dendrelaphis caudolineatus'' – striped bronzeback, grey bronzeback *''Dendrelaphis caudolineolatus'' – Gunther's bronzeback tree snake *''Dendrelaphis chairecacos'' *''Dendrelaphis cyanochloris'' – blue bronzeback *''Dendrelaphis effrenis'' – Sinharaja tree snake *''Dendrelaphis flavescens'' – Sulu Archipelago, Sulu bronzeback *''Dendrelaphis formosus'' – elegant bronzeback *''Dendrelaphis fuliginosus'' – Philippine lamp-black tree snake *''Dendrelaphis gastrostictus'' – montane treesnake *''Dendrelaphis girii'' – species:Varad B. Giri, Giri's bronzeback *''Dendrelaphis grandoculis'' – large-eyed bronzeback, southern bronzeback *''Dendrelaphis grismeri'' *''Dendrelaphis haasi'' – species:C. P. J. de Haas, Haas's bronzeback *''Dendrelaphis hollinrakei'' *''Dendrelaphis humayuni'' – Nicobar Islands, Nicobar bronzeback, Tiwari's bronzeback *''Dendrelaphis inornatus'' – Lesser Sunda Islands, Lesser Sunda bronzeback *''Dendrelaphis keiensis'' – Kei treesnake *''Dendrelaphis kopsteini'' – Felix Kopstein, Kopstein's bronzeback *''Dendrelaphis levitoni'' – species:Alan Edward Leviton, Leviton's bronzeback tree snake *''Dendrelaphis lineolatus'' *''Dendrelaphis lorentzii'' – Lorentz River treesnake *''Dendrelaphis luzonensis'' – Luzon bronzeback treesnake *''Dendrelaphis macrops'' *''Dendrelaphis marenae'' – species:Maren Gaulke, Maren's bronzeback *''Dendrelaphis melanarkys'' *''Dendrelaphis modestus'' – grey bronzeback, striped bronzeback *''Dendrelaphis ngansonensis'' – Nganson bronzeback *''Dendrelaphis nigroserratus'' – sawtooth-necked bronzeback *''Dendrelaphis oliveri'' – James Arthur Oliver, Oliver's bronzeback *''Dendrelaphis papuensis'' – Papuan treesnake *''Dendrelaphis philippinensis'' – Philippines, Philippine bronzeback treesnake *''Dendrelaphis pictus'' – painted bronzeback, common bronzeback, Indonesian bronzeback *''Dendrelaphis proarchos'' *''Dendrelaphis punctulatus'' – common treesnake, Australian treesnake, green tree snake *''Dendrelaphis schokari'' – Schokar's bronzeback *''Dendrelaphis striatus'' – striped bronzeback, striated bronzeback treesnake *''Dendrelaphis striolatus'' *''Dendrelaphis subocularis'' – mountain bronzeback, Myanmar, Burmese bronzeback *''Dendrelaphis terrificus'' – terrific bronzeback *''Dendrelaphis thasuni'' *''Dendrelaphis tristis'' – common bronzeback, François Marie Daudin, Daudin's bronzeback *''Dendrelaphis underwoodi'' – :fr:Garth Underwood, Underwood's bronzeback *''Dendrelaphis vogeli'' – species:Gernot Vogel, Vogel's bronzeback *''Dendrelaphis walli'' *''Dendrelaphis wickrorum'' – Mendis Wickramasinghe, Wickramasinghes' bronzeback


Description

Bronzebacks range in total length (including tail) from to up to . All species have a slender body with a long tail. Males are shorter in length and brighter in coloration; they also tend to be more active. Females are stouter with duller or darker colorations and are less active. Typical coloration includes red, brown, or orange on the head with bronze, brown, or olive-green running down the length of the back. The underside of the body is usually bright to pale green or yellow. They have big eyes and bright red tongues. The tail is fully prehensile.


Diet

The primary Predation, prey of ''Dendrelaphis'' species consists of lizards and frogs, but the larger species are capable of taking birds, bats, and small rodents.


References


Further reading

*George Albert Boulenger, Boulenger GA (1894). ''Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ''. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I–XX. (Genus ''Dendrelaphis'', p. 87, Figure 7). * *Frank Wall (herpetologist), Wall F (1921). ''Ophidia Taprobanica or the Snakes of Ceylon''. Colombo, Ceylon [Sri Lanka]: Colombo Museum. (H.R. Cottle, Government Printer). xxii + 581 pp. (Genus ''Dendrelaphis'', pp. 220–221).


External links

*
Video of ''Dendrelaphis kopsteini'' in Malaysia
{{Taxonbar, from=Q179711 Dendrelaphis, Snake genera Snakes of Asia Snakes of Southeast Asia Reptiles of Oceania Taxa named by George Albert Boulenger Snakes of Australia