http://www.ipreunion.com/actualites-reunion/reportage/ 2020/05/27/debut-de-la-saison-2020-un-hydrophone-deploye-au-large-de-l-hermitage-pourecouter-les-chants-des-baleines,119516.html

On Tuesday the 26th of May, a hydrophone was deployed off the Hermitage in the morning by the Globice teams. A means of listening to and recording the songs of the humpback whales recently reached Reunion Island for the start of the 2020 season.