Number of Endangered Plants and Animals: >16, 938
Out of the 44,838 species graded using the IUCN criteria, 16, 938 are considered endangered. There are several species that have not yet been graded using the IUCN criteria, so the actual number of endangered species is probably higher than 16, 938. (Source)
A great visualization of species that are endangered can be found here: What is Missing?. Add your own memories to the website to preserve a record of currently alive species for future generations.
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