What island has the most poisonous snakes?

Just off the coast of Brazil lies the tiny island of Gueimada Grande, or “Snake Island” as it is more commonly known. Despite beautiful luscious forest and rocky terrain, this is not an island you would wish to stumble upon! Over it's 106 acres it is home to aproximately 430,000 deadly vipers.



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Ilha da Queimada Grande, also known as Snake Island, is a small island that lies off the coast of the southeastern portion of Brazil. The land is part of the State of Sao Paulo, and it's noteworthy for having several different terrains, including a small portion of the rainforest.

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About 20,000 pit vipers can be found only on Shedao Island in China's Bohai Sea.

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“The snakes can swim but if they got to the mainland they wouldn't be a risk because they can't hibernate anywhere there,” he said.

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Guam's Plague of Snakes Is Devastating The Whole Island Ecosystem, Even The Trees. In case you're unfamiliar with Guam's infamous 'snake problem', the island is known for hosting an invasion of venomous brown snakes that have wreaked havoc on its native animal population.

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Hawaii is a tropical island with no known snakes because of its geographical isolation.

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