Ilha da Queimada Grande, Brazil's Snake Island, hosts the unique golden lancehead pit viper. This critically endangered species evolved in isolation. While venomous, snakes are not aggressive unless ...

Just 20 miles off Brazil’s southeastern coast lies one of the world’s most frightening and mysterious islands. Ilha da Queimada Grande may be small, but it is home to some truly dangerous residents ...

Snake Island is home to the golden lancehead viper, one of the most venomous snakes on the planet. Cut off from the mainland, these snakes evolved in isolation, becoming more aggressive and more toxic ...