When it hit the big screen in 2006, Snakes on a Plane was no more than a fantasy that wasn't altogether improbable. During the second World War, the voracious brown tree snake reached new islands in the Pacific Ocean by climbing onto landing gear of a plane. Snakes are notorious and sensational travelers. Not many could believe that venomous snakes often travel on trains in India. The inadvertent hitchhiking appears to be transporting these deadly creatures to unknown places.
A recent study published in Biotropica takes a closer look at these reports which put snakes in unsuitable habitats. Many such encounters are reported each year in the country. Snakes adjust to the new habitat with ease. That is why snakes travel anywhere and everywhere. It must be said that snakes find the train habitat convenient. One reason for the snakes to hop aboard might have to do with their burrows being flooded, causing the reptiles to seek dry shelter.
So, finding a snake a few feet away on a train is quite a possibility. Although it could be on any train, but it is more in the case of trains passing through Goa. King cobra has reportedly been caught aboard on many trains. Snakes are agile climbers, maybe getting onto freight trains when the trains stop near their habitats. They are good hunters too, as freight trains carry grain/fruit to attract rodents, lizards, or other snakes including rat snakes.
But if an apex predator like king cobra establishes itself in a new environment, it could have huge ecological implications. Even lone introductions pose a risk to humans especially if a king cobra arrives in a place where people have never dealt with a venomous snake of that size before...by Sudhirendar Sharma
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