common rough-sided snake known as dalawa medilla which lives in highland areas. endangered endemic species in sri lanka

aspidura black closeup coldblooded conservation crawling creature dalawa detail ecology endemic environment exotic ground harmless head herpetology highlands horton isolated jungle lanka madilla medilla national natural nature nocturnal non nonvenomous park pattern plains poisonous predator reptile roaming rough roughsided skin slither slithering small snake snakeskin species sri tail texture the tiny trachyprocta venomous wild wilderness wildlife