São Tomé and Príncipe are situated in the Gulf of Guinea. The islands were created by the Cameroon Line, a chain of volcanoes stretching 1,600 kilometers across Africa. The long separation from the African mainland has transformed São Tomé and Príncipe into a special site featuring rare plant and animal species.
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Oriolus crassirostris - The São Tomé oriole is a member of the Oriolidae family and includes Old World orioles and figbirds. The São Tomé oriole is endemic to São Tomé and is considered extremely vulnerable to falling into extinction because of its limited habitat and low population. The number of individuals in existence may number less than 1,000 birds. The Obo Natural Park, over 300 square kilometers of rainforest, was created in 1993 to help sustain and hopefully rebuild the populations of the São Tomé oriole.