Ilha da Queimada

Ilha da Queimada Grande (Snake Island) in Brazil is an island, which is so densely populated by poisonous snakes the Brazilian Navy has quarantined it and a biologist once said that when on the island you are "never more than three feet from death." For each 5m^2 there are 3 to 8 venomous snakes and the coral snake (considered the most dangerous snake from Brazil) got a little adapted for that island.

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