Endangered species

A species of animal or plant that is seriously at risk of extinction due to loss of habitat (because of human activities or changes in climate) or loss of genetic variation.

The risk of extinction is considered and categorized by the IUCN (International Union for Conservation of Nature). In 2018, the IUCN Red List featured 8455 animal and plant species as endangered worldwide.

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The IUCN Red List
Most famous endangered species - Britannica
Endangered animals with encyclopedical information and photos