Carmona (IMAGE) Estonian Research Council Caption The ginkgo, the western gorilla, the gharial, the European sturgeon, and the Andean condor are classified as species in danger of extinction by IUCN. These species exhibit peculiar functional traits such as large size, long lifespan, and late sexual maturity (All photos CC-BY-SA) Credit Ginkgo biloba; photo: Marzena P Gorilla gorilla; photo: Philip Kromer Gavialis gangeticus; photo: Jonathan Zander Acipenser sturio; photo: Hans Braxmeier Vultur gryphus; photo: Emilio del Prado Usage Restrictions None 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.