Extinct Animals 2024 Listeria. The iucn red list categories and criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction. Species have gone extinct at a much higher rate than is expected with evolution, and the blame has largely been placed on humans and their detrimental impact on certain.
The international union for the conservation of nature (iucn) classifies nearly 4,000 species as critically endangered, meaning they face such severe threats that. Learn more about the species we are working to protecting from becoming endangered or extinct.