It is occupied year round by a small force of Park Rangers: 6 in summer, 3 in winter.
Antonio Pigafetta, while speaking about the desertion of the San Antonio cites in his famous book, The First Voyage Round the World (Chap.79), that in to alert the crew of the ship if they ever try to get back: This manner of acting had been ordained by the captain from the commencement, in order to effect the junction of any ship which might be separated from the others.
Current data indicate that tourism is not the cause of the decline, and even has a minor role in improving breeding success for a few hundred penguins nesting alongside the tourist path.
A reduction in the abundance of the skua decreases the mortality of chicks and increases the breeding success of the penguins.
Without vegetation, the wind caused loose soil to be blown across the island, covering and burying burrows, eggs and chicks.