![TIL that about 28 percent of the 134,400 species assessed using the IUCN Red List criteria are now listed as threatened with extinction—a total of 37,400 species compared to 16,119 threatened species TIL that about 28 percent of the 134,400 species assessed using the IUCN Red List criteria are now listed as threatened with extinction—a total of 37,400 species compared to 16,119 threatened species](https://external-preview.redd.it/k6PzF3ys0a3ldlCYe5H_icx6RQ7gYat38ljCt0HiATc.jpg?width=640&crop=smart&auto=webp&s=61d97e797f7ad87cf5c8c2db5b3ce76d006223bc)
TIL that about 28 percent of the 134,400 species assessed using the IUCN Red List criteria are now listed as threatened with extinction—a total of 37,400 species compared to 16,119 threatened species
![Summary of the Five Criteria (A–E) Used to Evaluate if a Taxon Belongs in an IUCN Red List Threatened Category (Critically Endangered, Endangered or Vulnerable) (Annex I) - Killing, Capture, Trade and Summary of the Five Criteria (A–E) Used to Evaluate if a Taxon Belongs in an IUCN Red List Threatened Category (Critically Endangered, Endangered or Vulnerable) (Annex I) - Killing, Capture, Trade and](https://static.cambridge.org/content/id/urn%3Acambridge.org%3Aid%3Abook%3A9781108768351/resource/name/firstPage-9781108487948apx1_263-264.jpg)
Summary of the Five Criteria (A–E) Used to Evaluate if a Taxon Belongs in an IUCN Red List Threatened Category (Critically Endangered, Endangered or Vulnerable) (Annex I) - Killing, Capture, Trade and
![Applying the IUCN Categories and Criteria at the national/regional level | The National Red List Project Applying the IUCN Categories and Criteria at the national/regional level | The National Red List Project](https://www.nationalredlist.org/files/2014/06/NRL_assessment_flow_chart.jpg)
Applying the IUCN Categories and Criteria at the national/regional level | The National Red List Project
Red List assessment of amphibian species of Ecuador: A multidimensional approach for their conservation | PLOS ONE
![IUCN Red List update highlights need for concerted conservation action for pangolins - Pangolin Specialist Group IUCN Red List update highlights need for concerted conservation action for pangolins - Pangolin Specialist Group](https://www.pangolinsg.org/wp-content/uploads/sites/4/2019/12/IUCN-Red-List-Blog-Image-1024x418.jpg)