Sri Lanka has a lot of snakes, many species of which, like cobras, are venomous. There is also a lot of folklore surrounding them and many of them likely originated as tales made up to scare the daylights out of children, like ghost stories. I vividly recall one story that was told about the Russel’s viper. The story was that if anyone in your household encountered a viper and killed it (and killing a poisonous snake was often the chosen method of getting rid of them), then seven other vipers would come to your home and they would hang like a chain from the rafters of the roof if your house did not have a ceiling or from a fixture, each one clasping the tail of the other, until they lowest one reached you where you were sleeping and bit you. Needless to say, that story was enough to give small children sleepless nights.
As children, we did not question the validity of this preposterous theory and the fact that it seemed like it required a lot of coordination and hard work by the vipers just to get at you when they could instead easily have have waited for you by hiding in the grass or under some furniture until you passed by before striking, even allowing for the improbability that there existed some kind of viper committee that organized these revenge attacks and recruited members to carry them out, like some kind of commando snake strike force. There was something so frightening about the idea of snakes slowly lowering themselves down from the roof at night while you slept that it banished any critical inquiry.
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