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Dendrelaphis bifrenalis
Dendrelaphis bifrenalis, commonly Boulenger's Bronzeback (Sinhala: පදුරු හාල්දන්ඩා, Paduru Haaldanda in Sinhala), is a terrestrial species of diurnal non poisonous snake found in Sri Lanka and southern India.〔de Silva, A. 2010. . In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. . Downloaded on 1 April 2012.〕〔
== Habitat and ecology ==
This oviparous, diurnal and arboreal species can be found in trees, shrubs and bushes in wet and intermediate zones of lowlands to mid hills.〔 However there are references of finding it from Mullaitivu, Vavuniya and Trincomalee of northern dry zone of Sri Lanka. It is often encountered on low vegetation, however, may also descend to the ground in search of food. Arboreal and feeds on frogs, geckos, skinks and agamid lizards. Sometimes descends to the ground, and it is said that when moving on the ground it has a peculiar habit of keeping its head and 1/8 of the forebody erect. These are very active and do not get panicked easily. Dendrelaphis is one of the quickest snakes to escape and hide, when exited they expose the skin underneath scales. Ventral keels help them to climb trees.〔
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