Officially, threatened species are those listed as Critically Endangered (CR), Endangered (EN) or Vulnerable (VU). Practically this means: ... Vulnerable (VU): A species considered to be facing a high risk of extinction in the wild.

What does vulnerable mean on the IUCN Red List?

What does each category mean ? In descending order of threat, the IUCN Red List threat categories are as follows: Extinct or Extinct in the Wild. Critically Endangered, Endangered and Vulnerable: species threatened with global extinction. ... Least Concern: species evaluated with a lower risk of extinction.

What are the levels of endangerment?

The four categories of endangered species are vulnerable, endangered, critically endangered, and extinct in the wild.