Endangered species
Species of some organisms facing a very high risk of extinction
Endangered species
An endangered species is a species having a very high risk of extinction in the near future, either worldwide or in a particular region. Species become endangered mainly due to habitat depletion and loss of genetic variation. The International Union for Conservation of Nature (IUCN) Red List classifies the global conservation status of many species, and various other agencies assess the status of species within particular areas. The IUCN considers a species as endangered when it meets one or more criteria for a declining population and diminished geographic distribution; for example, when a species population is reduced by 20% within five years and has fewer than 2,500 mature individuals remaining, the species is considered endangered. In 2026, the IUCN Red List named 49,500 species worldwide as threatened for extinction. Many nations have laws that protect conservation-reliant species which, for example, forbid hunting or harvesting, restrict land development, or create protected areas...
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