It is one of the many wildlife refuges that is managed and administered by the US fish and wildlife department. It covers a huge area and is mostly known for the exotic range of birds and extraordinary animal life of the place. The refuge area also covers a diverse range of plant life. The wildlife refuge was first set up on 27th February, 1909 by Theodore Roosevelt as the result of his dream to build the largest wildlife refuge in the whole world (Executive Order 1042).
This wildlife refuge comprises of 23 smaller rock formations. The refuge also takes initiatives to act as a natural habitat of lovely seabirds and also conserves endangered turtle species.