Threatened Species: Categories and Their Census
Read this article to learn about categories and census of threatened species. Categories of Threatened Species: The major IUCN threatened categories (IUCN Red List Categories, 1995) currently recognised, together with their definitions are: (i) Extinct (EX): Species not definitely located in the wild during the past fifty years but which may survive in cultivation (e.g. Franklinia aloetamha). Some authors suggest [...]