Additional
Information: The Sirenia are a small order of endangered marine mammals. There are four living species (three manatees and the dugong) and one recent extinct species (Steller's Sea Cow, in the dugong family).
Sirenian International Sirenian International: Manatee and dugong research, education, and conservation worldwide. (Sirenia) http://www.sirenian.org/
SirenianVoice SirenianVoice: E-mail newsletter from Sirenian International. (Sirenia) http://groups.yahoo.com/group/SirenianVoice
Sirenia: Manatees, Dugong, and Sea Cow Sirenia: Manatees, Dugong, and Sea Cow: Detailed description of the order and its members from Walker's Mammals of the World by Ronald Nowak. (Sirenia) http://www.press.jhu.edu/books/walker/sirenia/sirenia.html
SireNews SireNews: Newsletter of the IUCN/SSC Sirenia Specialist Group. (Sirenia) http://www.marinemammalogy.org/snews.htm