Species Knowledge Index of Demographics (IMAGE) Species360 Caption The Species Knowledge Index maps what we know for 32,411 known species of mammals, birds, reptiles, and amphibians - in this case, with an eightfold gain after adding data from the Zoological Information Management System curated by 1200 zoos and aquariums worldwide. Credit Species360 Conservation Science Alliance Usage Restrictions with credit: Species Knowledge Index courtesy of Species360. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.