WWF - Bonobos - Biology and conservation of Pan paniscus. - http://www.panda.org/about_wwf/what_we_do/species/about_species/species_factsheets/great_apes/bonobo/index.cfm
The Smart and Swinging Bonobo - Paul Raffaele’s article taken from the Smithsonian Magazine describes his visit to the remote rain forest of the Congo to see bonobos in their natural habitat. - http://www.smithsonianmag.com/issues/2006/november/bonobo.php
Bonobo Conservation Initiative - BCI is a non-profit organisation which conducts bonobo surveys, establishes protected areas and works to increase global awareness about bonobos. - http://www.bonobo.org/
Speaking Bonobo - Article about bonobo intelligence, including their language-related skills. From The Smithsonian magazine. - http://www.smithsonianmag.com/issues/2006/november/speakingbonobo.php
Bonobo Sex and Society - The behavior of a close relative challenges assumptions about male supremacy in human evolution. Article by Frans B. M. de Waal. - http://songweaver.com/info/bonobos.html