This snake island in Brazil is home to over 4,000 golden lancehead vipers and their deadly, life-saving venom

Ilha da Queimada Grande, Brazil's Snake Island, hosts rare golden lancehead vipers. These snakes are vital for biodiversity and offer medical research potential. Their venom may aid heart disease and hypertension treatments. Access is restricted to protect the endangered species and its unique ecosystem. The island showcases isolation-driven evolution and its impact on survival strategies.

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