How Many Animals Are Endangered 2025. Currently, on the international union for conservation of nature (iucn) red list, more than 41,000 species have been assessed to be under threat of extinction. Learn more about the species we are working to protecting from becoming endangered or extinct.

Currently, on the international union for conservation of nature (iucn) red list, more than 41,000 species have been assessed to be under threat of extinction. 41,000 species are on iucn’s red list of endangered species.