In the late 1970s the Island was recognised as a special biosphere for wildlife conservation. Numerous natural scientists visited the island during the 1970s and 1980s, researching various aspects of its flora and fauna. Subsequently, some researchers along with the Barri and Koya people then requested that it became a wildlife sanctuary and in 1987 it was official designated a game reserve.
In the late 1970s, the Island was acknowledged as a unique biosphere for wildlife preservation. Many natural scientists visited the island during the 1970s and 1980s to study its plant and animal life. Following that, some researchers along with the Barri and Koya people then petitioned to have it designated as a wildlife sanctuary, which was officially confirmed in 1987 as a game reserve.