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Dendrelaphis tristis (Daudin, 1803)

Accepted
Dendrelaphis tristis (Daudin, 1803)
/Dendrelaphis tristis/405.jpg
🗒 Synonyms
synonymChrysopelea boiei Smith 1836 (fide Smith 1943)
synonymChrysopelea boiei Smith, 1836
synonymChrysopelea Boieii Smith 1837
synonymChrysopelea boieii Smith, 1837
synonymColuber tristis Daudin, 1803
synonymDendrelaphis tristis Boulenger 1894
synonymDendrelaphis tristis Das 1996
synonymDendrelaphis tristis Mcdowell & Jenner 1988
synonymDendrelaphis tristis Rooijen & Vogel 2008
synonymDendrelaphis tristis Wall 1921
synonymDendrelaphis tristis Wallach et al. 2014
synonymDendrolaphis tristis Luard, 1918
synonymDendrophis boii Cantor, 1839
synonymDendrophis helena Werner 1893 (fide Smith 1943)
synonymDendrophis helena Werner, 1893
synonymDendrophis maniar Boie 1827 (fide Smith 1943)
synonymDendrophis maniar Boie, 1827
synonymDendrophis pictus Boulenger 1890 (part.
synonymDendrophis pictus Boulenger, 1890
synonymDendrophis scandens Boie, 1827
synonymDipsas schokari Kuhl 1820 (part.)
synonymDipsas schokari Kuhl, 1820
synonymLeptophis mancas Bell 1825 (fide Smith 1943)
synonymLeptophis mancas Bell, 1825
🗒 Common Names
English
  • Common Bronzeback Tree Snake, Indian Bronzeback Tree Snake
  • Daudin's Bronzeback
Malayalam
  • വില്ലൂന്നി, കൊമ്പേറിമൂക്കൻ
Other
  • Common Bronzeback Tree Snake
📚 Overview
Overview
Summary

Reptile group

snakes
snakes
Brief
Scales 15:15:11 or 9 oblique rows. Vertebral scales slightly enlarged on neck. Ventrals 163-197. subcaudals 108-145, paired.
Sandeep Das, P S Easa, Jafer Palot
AttributionsSandeep Das, P S Easa, Jafer Palot
Contributors
easaelephant
StatusUNDER_CREATION
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References

    Common Bronzeback is the most widespread Dendrelaphis species of India which is the only species of genus in most of the parts of Indian mainland. It can be easily identified by checking a rounded whitish spot on the top of head, very thin body which shows sky blue dots on dorsal surface and most of the side dorsal & belly of yellowish-white color. 

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      Diagnostic Keys
      Head: 
      9 supralabials, 5th & 6th in contact with eyes; 1 preocular; 1 loreal; 2 postocular; temporal 2+2.
      Dorsal: 
      Smooth scales in 15: 15: 11/9 rows; obliquely arranged.
      Ventral: 
      163-197; anal divided.
      Sub Caudal: 
      108-145; paired.
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      References
      1. Ganesh S. R., Asokan J. R. (2010) Catalogue of Indian herpetological specimens in the collection of the Government Museum Chennai, India. Hamadryad Vol. 35 (1), pp. 46 – 63
      2. Murthy T. S. N. (2010) The reptile fauna of India. B. R. Publishing Corporation
      3. Murthy T. S. N. (1990) Illustrated Guide to the Snakes of the Western Ghats, India. Records of the Zoological Survey of India, Occasional Paper No. 114
      4. Smith M. A. (1943) The fauna of British India, Ceylon and Burma including the whole of The Indo-Chinese Sub-region, Reptilia and Amphibia. Vol 3 Serpentes. Taylor & Francis, London.
      5. Wall F. (1921) Remarks on the lndian species of Dendrophis and Dendrelaphis. Records of the Indian Museum 22:151-162
      6. Masroor R. (2011) The Common Bronzeback Tree Snake, Dendrelaphis tristis (Daudin, 1803): an addition to the herpetofauna of Pakistan. Pakistan J. Zool., vol. 43 (6), pp. 1215-1218
      7. systematics of Dendrelaphis tristis (Daudin, 1803) and Dendrelaphis schokari (Kuhl, 1820): revalidation of Dendrophis chairecacos Boie, 1827 (Serpentes: Colubridae). Herpetological Journal 19: 193–200
      8. Wallach V., Williams K. L., Boundy J. (2014) Snakes of the World: A catalogue of living and extinct species. Taylor and Francis, CRC Press, 1237 pp.
      9. Whitaker R., Captain A. (2004) Snakes of India, The Field Guide. Draco Books
      10. Boulenger G. A. (1894) Catalogue of the snakes in the British Museum (Natural History). Vol. 2, London: Taylor and Francis.
      11. threats. Sauria, Berlin, 34 (3): 3–15
      12. Chandramouli S. R., Ganesh S. R. (2012) New records of Bronzeback Snakes (Serpentes: Colubridae: Dendrelaphis) from the central Western Ghats of India and a revised key to south Indian forms. Sauria, Berlin, 2012, 34 (2): 59–62
      13. Chandra K., Gajbe P. U. (2005) An inventory of herpetofauna of Madhya Pradesh and Chhattisgarh. Zoos' Print Journal 20 (3): 1812-1819
      14. Das A., Basu D., Converse L., Choudhury S. C. (2012) Herpetofauna of Katerniaghat Wildlife Sanctuary, Uttar Pradesh, India. Journal of Threatened Taxa, 4 (5): 2553–2568
      15. Masroor R. (2012) A Contribution to the Herpetology of Northern Pakistan. Ithaca SSAR
      16. Whitaker R. (2005) Common Indian Snakes, A Field Guide. Macmillian Publishers
      17. Blackburn D. G. (1993) Standardized criteria for the recognition of reproductive modes in Squamate Reptiles. Herpetologica, 49 (1), 118-132
      18. Dutta S. K., Acharjyo L. N. (1995) Herpetofaunal resources and their conservation in Orissa, India. Zoos’ Print, Vol. 10 (7), pp. 5-8
      19. Kannan P., Venkatraman C. (1998) Reptile fauna of Siruvani Hills, Nilgiri Biosphere Reserve, Tamil Nadu. Cobra, Vol. 33, pp. 6-9
      20. Ziegler T., Vogel G. (1999) On the knowledge and specific status of Dendrelaphis ngansonensis (Bourret, 1935) (Reptilia: Serpentes: Colubridae). Russian Journal of Herpetology Vol. 6 (3), pp. 199-208
      21. Rooijen J. V., Vogel, G. (2009) A multivariate investigation into the population
      22. Rooijen J. V., Vogel G (2008) An investigation into the taxonomy of Dendrelaphis tristis (Daudin, 1803): revalidation of Dipsas schokari (Kuhl, 1820) (Serpentes, Colubridae). Contributions to Zoology, 77 (1) 33-43
      23. Srinivasulu C., Das I. (2008) The herpetofauna of Nallamala Hills, Eastern Ghats, India: an annotated checklist, with remarks on nomenclature, taxonomy, habitat use, adaptive types and biogeography. Asiatic Herpetological Research, Vol. 11, pp.110–131
      24. Thakur S. (2011) A note on snakes of Kanha National Park and surrounding areas. Reptile Rap (11), pp. 2-5
      25. Chikane S., Bhosale H. (2012) Reptiles of Kaas, Northern Western Ghats, Maharashtra, India, with notes on habitat preferences, abundances and
      No Data
      📚 Natural History
      Reproduction

      Reproduction oviparous. Lays upto 8 eggs in heights mainly in tree holes, under dense leaf litters, cracks etc. New born usually seen from monsoon to starting of winters. 

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        Size

        New born- 15cm.
        Average length- 100cm.
        Maximum length- 169cm.

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          Morphology
          Dorsal:
          Body thin, long, covered with smooth scales. Scales arranged in oblique manner with top row along vertebra larger than adjacent dorsals. Color chocolate brown mixed with purple; having sky blue color on lower edge of fore and mid body scales which are best visible when snake is in alert or aggressive position.
          Ventral:
          Belly scales sharply folded upwards. Color yellowish-white or greenish-white which extends to first two dorsal rows also. Subcaudal scales with olive tint of yellow or brown color.
          Head:
          Head flattened, elongated and clearly broader than neck. Upper lip yellowish-white. A clear rounded whitish spot present on the middle of top which equally covers both parietal scales. This characterstic is found only in this species of Bronzeback and quite helpful to identify quickly. Large eyes with rounded pupils. Tongue color bluish-gray.
          Tail:
          Very long and thin tail of bronze, brown or blackish- brown color which ends with a pointed tip. Subcaudal scales paired in a zigzag manner.
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            Look Alikes
            Southern Bronzeback Tree Snake (Dendrelaphis chairecacos )
            Giri's Bronzeback (Dendrelaphis girii)
            Ashok's Bronzeback (Dendrelaphis ashoki ) 
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              Behaviour

              Common Bronzeback is a diurnal and arboreal species which mainly shows activity from low to moderate heights during whole day. Locomotion very fast in both arboreal and terrestrial environment. Behavior alert, very quick and usually try to escape when threatened in its natural environment. Usually non-offensive but on threatening it laterally inflates much of fore body to show blue edge of most of the dorsal scales, sometimes open its mouth to look larger. 

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                Trophic Strategy

                Feeds mainly on lizards and frogs. Also takes small rodents and bird chicks.

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                  No Data
                  📚 Habitat and Distribution
                  General Habitat
                  Forests and human habitations
                  Sandeep Das, P S Easa, Jafer Palot
                  AttributionsSandeep Das, P S Easa, Jafer Palot
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                    Hides in tree holes, rock gaps at heights, dense bushes etc. Lives both in dense and open forests (mixed and dry deciduous forest), vegetation of moderate height, undisturbed gardens etc. 

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                      Description

                      All over the country excluding North-east states after Sikkim; also not found in Indian islands.

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                        South India
                        Sandeep Das, P S Easa, Jafer Palot
                        AttributionsSandeep Das, P S Easa, Jafer Palot
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                          Endemic Distribution

                          Endemic to Indian Subcontinent. Recorded from India and Pakistan.

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                            No Data
                            📚 Occurrence
                            No Data
                            📚 Demography and Conservation
                            Threats

                            Major threats are habitat destruction because this species lives mainly in dense vegetation. Road kill mortality is another cause. As this species avoids direct contact with human beings, intentional killing and threatening are not much effective threats. 

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                              Protection Legal Status

                              Wildlife Protection Act (1972): Schedule 4

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                                No Data
                                📚 Uses and Management
                                Uses

                                Common Bronzeback is ecologically important diurnal predator for lizards in variety of forests. In most of the parts of its range this is the only Bronzeback species making it significant for diversity of genus Dendrelaphis for its range.

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                                  Folklore

                                  No famous myth is currently known. 

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                                    No Data
                                    📚 Information Listing
                                    References
                                    1. Whitaker, R. and Captain, A .2004. Snakes of India. The Field Guide. Draco Books.Chengalpattu, Tamil Nadu,xiv+479, pls, text-figs.
                                    Overview > Diagnostic > Diagnostic Keys
                                    1. Ganesh S. R., Asokan J. R. (2010) Catalogue of Indian herpetological specimens in the collection of the Government Museum Chennai, India. Hamadryad Vol. 35 (1), pp. 46 – 63
                                    2. Murthy T. S. N. (2010) The reptile fauna of India. B. R. Publishing Corporation
                                    3. Murthy T. S. N. (1990) Illustrated Guide to the Snakes of the Western Ghats, India. Records of the Zoological Survey of India, Occasional Paper No. 114
                                    4. Smith M. A. (1943) The fauna of British India, Ceylon and Burma including the whole of The Indo-Chinese Sub-region, Reptilia and Amphibia. Vol 3 Serpentes. Taylor & Francis, London.
                                    5. Wall F. (1921) Remarks on the lndian species of Dendrophis and Dendrelaphis. Records of the Indian Museum 22:151-162
                                    6. Masroor R. (2011) The Common Bronzeback Tree Snake, Dendrelaphis tristis (Daudin, 1803): an addition to the herpetofauna of Pakistan. Pakistan J. Zool., vol. 43 (6), pp. 1215-1218
                                    7. systematics of Dendrelaphis tristis (Daudin, 1803) and Dendrelaphis schokari (Kuhl, 1820): revalidation of Dendrophis chairecacos Boie, 1827 (Serpentes: Colubridae). Herpetological Journal 19: 193–200
                                    8. Wallach V., Williams K. L., Boundy J. (2014) Snakes of the World: A catalogue of living and extinct species. Taylor and Francis, CRC Press, 1237 pp.
                                    9. Whitaker R., Captain A. (2004) Snakes of India, The Field Guide. Draco Books
                                    10. Boulenger G. A. (1894) Catalogue of the snakes in the British Museum (Natural History). Vol. 2, London: Taylor and Francis.
                                    11. threats. Sauria, Berlin, 34 (3): 3–15
                                    12. Chandramouli S. R., Ganesh S. R. (2012) New records of Bronzeback Snakes (Serpentes: Colubridae: Dendrelaphis) from the central Western Ghats of India and a revised key to south Indian forms. Sauria, Berlin, 2012, 34 (2): 59–62
                                    13. Chandra K., Gajbe P. U. (2005) An inventory of herpetofauna of Madhya Pradesh and Chhattisgarh. Zoos' Print Journal 20 (3): 1812-1819
                                    14. Das A., Basu D., Converse L., Choudhury S. C. (2012) Herpetofauna of Katerniaghat Wildlife Sanctuary, Uttar Pradesh, India. Journal of Threatened Taxa, 4 (5): 2553–2568
                                    15. Masroor R. (2012) A Contribution to the Herpetology of Northern Pakistan. Ithaca SSAR
                                    16. Whitaker R. (2005) Common Indian Snakes, A Field Guide. Macmillian Publishers
                                    17. Blackburn D. G. (1993) Standardized criteria for the recognition of reproductive modes in Squamate Reptiles. Herpetologica, 49 (1), 118-132
                                    18. Dutta S. K., Acharjyo L. N. (1995) Herpetofaunal resources and their conservation in Orissa, India. Zoos’ Print, Vol. 10 (7), pp. 5-8
                                    19. Kannan P., Venkatraman C. (1998) Reptile fauna of Siruvani Hills, Nilgiri Biosphere Reserve, Tamil Nadu. Cobra, Vol. 33, pp. 6-9
                                    20. Ziegler T., Vogel G. (1999) On the knowledge and specific status of Dendrelaphis ngansonensis (Bourret, 1935) (Reptilia: Serpentes: Colubridae). Russian Journal of Herpetology Vol. 6 (3), pp. 199-208
                                    21. Rooijen J. V., Vogel, G. (2009) A multivariate investigation into the population
                                    22. Rooijen J. V., Vogel G (2008) An investigation into the taxonomy of Dendrelaphis tristis (Daudin, 1803): revalidation of Dipsas schokari (Kuhl, 1820) (Serpentes, Colubridae). Contributions to Zoology, 77 (1) 33-43
                                    23. Srinivasulu C., Das I. (2008) The herpetofauna of Nallamala Hills, Eastern Ghats, India: an annotated checklist, with remarks on nomenclature, taxonomy, habitat use, adaptive types and biogeography. Asiatic Herpetological Research, Vol. 11, pp.110–131
                                    24. Thakur S. (2011) A note on snakes of Kanha National Park and surrounding areas. Reptile Rap (11), pp. 2-5
                                    25. Chikane S., Bhosale H. (2012) Reptiles of Kaas, Northern Western Ghats, Maharashtra, India, with notes on habitat preferences, abundances and
                                    Information Listing > References
                                    1. Whitaker, R. and Captain, A .2004. Snakes of India. The Field Guide. Draco Books.Chengalpattu, Tamil Nadu,xiv+479, pls, text-figs.

                                    Effect of vehicular traffic on wild animals in Sigur Plateau, Tamil Nadu, India

                                    Journal of Threatened Taxa
                                    No Data
                                    📚 Meta data
                                    🐾 Taxonomy
                                    📊 Temporal Distribution
                                    📷 Related Observations
                                    👥 Groups
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