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How many species are threatened? Species assessed as Critically Endangered (CR), Endangered (EN), or Vulnerable (VU) are referred to as "threatened" species. However, Extinct in the Wild (EW) species can move into the threatened categories following successful reintroduction.
Coral species are moving towards increased extinction risk most rapidly, while amphibians are, on average, the most threatened animal group. An RLI value of 1.0 equates to all species qualifying as Least Concern (i.e., not expected to become Extinct in the near future).
Mar 20, 2018 · But many other species - including the Sumatran rhino, black rhino, amur leopard, forest elephant and Bornean orangutan - are also considered critically endangered, some with...
