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What is the largest snake ever documented?

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Quick Answer

The largest snake ever documented is Titanoboa cerrejonensis. The snake, which lived around 60 million years ago, was 42 feet long and 3 feet thick.

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What is the largest snake ever documented?
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Full Answer

Scientists discovered the vertebrae of Titanoboa cerrejonensis in northern Columbia in 2009. Scientists believe the snake was the largest vertebrate on land at the time of its existence, with a total weight of over a ton. Scientists measured the bones of its spinal column at 5 inches thick. The Titanoboa?s thickest section was about the height of a human?s waist.

Though Titanoboa's appearance likely resembled a present-day boa constrictor, its behavior was more similar to a water-dwelling anaconda. Scientists believe the swamp denizen killed its prey by squeezing it to death.

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