三兄弟群島

三兄弟群島（）是印度洋的群島，屬於查戈斯群島的一部分，由3座島嶼組成，行政方面由英屬印度洋領地負責管轄，距離伊格爾群島以東20公里，總面積0.37平方公里，島上無人居住。

外部連結
*[http://www.msnbc.msn.com/id/36139130/ns/world_news-world_environment/t/worlds-largest-marine-reserve-created/ World's largest marine reserve created]
*[http://www.flickr.com/photos/mando_gal/5498081698/ Joint Services Expedition To Danger Island - (1975) commemorative postcard]
*[https://web.archive.org/web/20120328124105/http://www.reefnewmedia.co.uk/cmt_chagos/uploads/PDF/Science/bibliography.pdf Chagos research papers and books]
*[http://www.tandfonline.com/doi/abs/10.1080/00222930110039161?journalCode=tnah20 Opisthobranch molluscs from the Chagos Archipelago, Central Indian Ocean]