Snake Island may not have human habitats, but what earned the island its name is its resident snake population that is of incredibly high density. It is estimated that for every one meter squared, there lives at least one snake.
The mysterious island is also known as Ilha da Queimada Grande, and it is in fact so dangerous to set foot there that Brazil has made it illegal for anyone to visit. The danger on the island comes in the form of the golden lancehead snakes – a species of pit viper and one of the deadliest serpents in the world.
Home to an estimated 4,000 venomous lancehead vipers, this is considered one of the worlds’ deadliest islands.
![World's Deadliest Island - Ilha da Queimada Grande (Snake Island) 12 Ilha da Queimada Grande (Snake Island) (1)](https://215mag.com/wp-content/uploads/2020/07/Ilha-da-Queimada-Grande-Snake-Island-1.webp)
The lancehead genus of snakes is responsible for 90 percent of Brazilian snakebite-related fatalities. The golden lanceheads that occupy Snake Island grow to well over half a meter long, and they possess a powerful fast-acting venom that melts the flesh around their bites.
Since the island vipers had no prey but birds, they evolved to have extra-potent venom so that they could almost immediately kill any bird. Local birds are too savvy to be caught by the many predators that inhabit Ilha da Queimada Grande and the snakes instead rely on birds who visit the island to rest as food.
Rumour has it hapless fisherman landed onto the snake island in search of bananas—only to be discovered days later in his boat, dead in a pool of blood, with snake bites on his body. From 1909 to the 1920s, a few people did live on the island, in order to run its lighthouse. But according to another local tale, the last lighthouse keeper, along with his entire family, died when a cadre of snakes slithered into his home through the windows.
The other story is of the final lighthouse operator and his family. One night, a handful of snakes enter through a window and attack the man, his wife, and their three children. In a desperate gambit to escape, they flee towards their boat, but they are bitten by snakes on branches overhead.
Visiting the snake island is illegal, immensely risky, and requires permission from the Brazilian navy. Anti-venom is located in São Paulo‘s Butantã Institute, 150 kilometers away, so a bite can be fatal. The institute has golden lanceheads for milking and research purposes so they can be seen up close and personal there, yet with a welcome, safety glass in between.
The Brazilian government requires that a doctor be present on any legally sanctioned visits, in the event of an unfortunate run-in with the island’s native population. The Brazilian navy does make an annual stop on the island for maintenance of the lighthouse, which, since the 1920s, has been automated. The island is also an important laboratory for biologists and researchers, who are granted special permission to visit the island in order to study the golden lanceheads.
![World's Deadliest Island - Ilha da Queimada Grande (Snake Island) 13 Ilha da Queimada Grande (Snake Island) (2)](https://215mag.com/wp-content/uploads/2020/07/Ilha-da-Queimada-Grande-Snake-Island-2.webp)
The lancehead viper has been classified as critically endangered according to the International Union for Conservation of Nature’s Red List. The main reason for this is because of the habitat destruction that has happened on the island. It may seem like a grand idea to just get rid of the snakes, eliminating threats to humans in the area and allowing for more usable land. This thought has crossed the minds of others. According to reporting by Snake Facts, “In the past, fires were deliberately started on the island in an attempt to eradicate the snakes so it could be used for agriculture.
When something is rare, someone is always willing to buy it. And for that reason, smugglers go to the island and trap snakes and sell them on the black market, according to the Smithsonian. The snakes can go from anywhere between $10,000 to $30,000. There is a lot of risks to go to the island to get them, but even more scary to think that this snake could repopulate in another area if the buyer isn’t careful, making the isolated snake a mainland problem.
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