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 identified as an exceptional haven for wildlife conservation. Scientists from various disciplines visited the island during the 1970s and 1980s to examine its diverse ecosystems. Subsequently, local communities, including the Barri and Koya people, advocated for it to be designated as a protected area for wildlife, which was officially established in 1987.