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An IUCN Red List Critically Endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild.
- List of critically endangered mammals
This is a complete list of critically endangered mammalian...
- List of Critically Endangered Birds
Critically endangered (CR) species face an extremely high...
- List of critically endangered mammals
Espécie em perigo crítico é a categoria de espécies de fungos, plantas e animais que correm o maior risco de extinção, conforme classificação atribuída pela IUCN. Essas espécies são incluídas na Lista Vermelha da IUCN. Atualmente existem 2 129 animais e 1 821 plantas assim avaliados, enquanto em 1998 os números eram 854 ...
This is a complete list of critically endangered mammalian species and subspecies evaluated by the IUCN. Species considered possibly extinct by the IUCN are marked as such. Species and subspecies which have critically endangered subpopulations (or stocks) are indicated.
Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of December 2019, the International Union for Conservation of Nature (IUCN) listed 224 critically endangered avian species, including 19 which are tagged as possibly extinct or possibly extinct in the wild.
Version 2014.2 of the IUCN Red List of Threatened Species identified 4574 Critically Endangered species, subspecies and varieties, stocks and subpopulations.
WWF is committed to saving endangered species. Learn more about the species we are working to protecting from becoming endangered or extinct.
IUCN の レッドリスト における 絶滅寸前 （ぜつめつすんぜん、 Critically Endangered ）とは、 保全状況 を示すカテゴリーの1つである。 ある生物種（または 亜種 ）の個体数が極めて減少している場合、または今後個体数が激減すると推測される場合に、絶滅寸前種に分類される。 その基準として、3世代以内に個体数が80%減少した（または今後減少する可能性が高い）種を絶滅寸前としている [1] 。 なお、公益財団法人 世界自然保護基金 ジャパンは、Critically Endangeredの訳語を「近絶滅種」としている [2] 。 概要. IUCNでは、生息調査が行われているものの、恐らく 絶滅 したと考えられる種については、絶滅種とはせず絶滅寸前種にカテゴライズしている。
