Website with the ambitious aim of gathering together information on all 1.9 million species currently known to science. The site is constructed on the basis one page per species, with biological classification, in expandable taxonomic ranks, displaying alongside images, video, text and bibliographic references. There are a number of resources aimed at helping users navigate such a large amount of information, from explanatory articles - on topics like biodiversity and species classification - links to podcasts, informational videos and Google Earth tours . The site is aimed at enthusiasts, students, teachers and scientist alike.