Name an IUCN Red List category.
Use the nine categories in version 3.1, including Data Deficient and Not Evaluated. Names or checked abbreviations count.
The modern nine-category system includes status categories plus Data Deficient and Not Evaluated. Older Lower Risk subdivisions are outside this version.
Reveal all 9 checked answers and scores
Points are editorial tiers. The source supports membership in the set, not how many people know an answer.
- Endangered 25 · Familiar
- Endangered is in the 9-answer set defined by this question.
Also accepted: EN
- Extinct 25 · Familiar
- Extinct is in the 9-answer set defined by this question.
Also accepted: EX
- Vulnerable 50 · Less common
- Vulnerable is in the 9-answer set defined by this question.
Also accepted: VU
- Critically Endangered 50 · Less common
- Critically Endangered is in the 9-answer set defined by this question.
Also accepted: CR
- Least Concern 75 · Uncommon
- Least Concern is in the 9-answer set defined by this question.
Also accepted: LC
- Near Threatened 75 · Uncommon
- Near Threatened is in the 9-answer set defined by this question.
Also accepted: NT
- Extinct in the Wild 100 · Rare
- Extinct in the Wild is in the 9-answer set defined by this question.
Also accepted: EW
- Data Deficient 100 · Rare
- Data Deficient is in the 9-answer set defined by this question.
Also accepted: DD
- Not Evaluated 100 · Rare
- Not Evaluated is in the 9-answer set defined by this question.
Also accepted: NE
Checked exclusions
- Conservation Dependent: Conservation Dependent is an older category, not one of the nine version 3.1 categories.
Sources for this question
- IUCN Red List Categories and Criteria version 3.1, second edition
IUCN v3.1 sections and category diagram: nine names with abbreviations, including DD and NE.
portals.iucn.org · Checked 2026-11-02
- IUCN Red List - Wikipedia
IUCN v3.1 sections and category diagram: nine names with abbreviations, including DD and NE.
en.wikipedia.org · Checked 2026-11-02
Practice this subject
Play a seven-question nature round →
Multiple choice offers four checked options. Recall accepts the listed labels and explicit aliases. An unlisted answer earns zero without automatically being marked factually wrong. Read the question and scoring policy.
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