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Dendrelaphis oliveri (TAYLOR, 1950)

IUCN Red List - Dendrelaphis oliveri - Data Deficient, DD
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Higher TaxaColubridae, Ahaetuliinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Oliver's Bronzeback 
SynonymAhaetulla oliveri TAYLOR 1950: 555
Dendrelaphis oliveri — DAS 1996: 55
Dendrelaphis olivieri [sic] — JANZEN et al. 2007
Dendrelaphis oliveri — WALLACH et al. 2014: 219 
DistributionSri Lanka

Type locality: 12 miles north of Trincomalee, Ceylon.  
Reproductionoviparous 
TypesHolotype: FMNH 123726; (formerly EHT-HMS No. 30388) collected in 1944 by E. H. Taylor. 
DiagnosisDiagnosis: Three labials, the fourth, fifth and sixth entering the eye; loreal absent; nasal divided at least partially; the posterior part largest and a little lower than anterior; temporals 1 + 1 + 3; vertebral scales enlarged, smaller than scales of outer row; a lateral black headstripe continues through eye and to base of tail; a white line beginning on supralabials continues on the first and second scale rows, occupying most of first and lower half of second scale row; this bordered below by a black line beginning on neck and continuing to base of tail; tail gray without stripes (from TAYLOR 1950). 
CommentKnown only from its type specimen (Danushka et al. 2020).

Behavior: diurnal

Habitat: fully arboreal (Harrington et al. 2018) 
EtymologyNamed after Dr. James "Jim" Arthur Oliver (1914-1981), a zoologist and herpetologist who graduated from the University of Michigan. He became Assistant Curator, Herpetology Department, American Museum of Natural History (1942). 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Blackburn, D.G. 1993. STANDARDIZED CRITERIA FOR THE RECOGNITION OF REPRODUCTIVE MODES IN SQUAMATE REPTILES. Herpetologica 49 (1): 118-132 - get paper here
  • Danushka, A.D. et al. 2020. A new species of Dendrelaphis Boulenger, 1890 (Reptilia: Colubridae) from the wet zone of Sri Lanka with a redescription of Dendrelaphis bifrenalis (Boulenger, 1890). TAPROBANICA 9 (1): 83-102 - get paper here
  • Das, I. & De Silva, A. 2005. Photographic guide to snakes and other reptiles of Sri Lanka. New Holland Publishers, 144 pp.
  • Das,I. 1996. Biogeography of the Reptiles of South Asia. Krieger Publishing Company, Malabar, Florida
  • de Silva, A. 1998. Snakes of Sri Lanka: a checklist and an annotated bibliography. Dept. Wildlife Conservation/ GEF /UNDP/ FAO, Colombo.
  • 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
  • Janzen, P.; Klaas, P. & Ziesmann, S. 2007. Sri Lankas Schlangenfauna. Draco 7 (30): 56-64 - get paper here
  • Taylor, Edward H. 1950. The snakes of Ceylon. Univ. Kansas Sci. Bull. 33 (14): 519-603 - 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.
  • WICKRAMASINGHE, L.J. MENDIS 2016. A new canopy-dwelling species of Dendrelaphis (Serpentes: Colubridae) from Sinharaja, World Heritage Site, Sri Lanka. Zootaxa 4162 (3): 504–518 - get paper here
 
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