Maps and charts

Endangered species, by major families, 2017

Source: The International Union for Conservation of Nature (IUCN), “Red List of Threatened Species”,


The International Union for the Conservation of Nature (IUCN) records and assesses threatened living species. Even within the different kingdoms of living organisms (animal, vegetable, and fungi), each class presents a very varied number of threatened species. Nevertheless, these are systematically above 13% (with the exception of green algae). Among all vertebrates, amphibians are the most threatened (32%). Among invertebrates, it is worms and spiders (82% and 68%). Among plants, it is mosses, flowers, and ferns (75%, 52%, and 51%) as well as lichens and fungi (77 %).


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