IUCN Categories
(a) Extinct (EX)
(b) Extinct in the Wild (EW)
It is presumed Extinct in the wild when thorough surveys within known and expected habitats, at appropriate times, throughout its historical range have been unsuccessful in recording an individual.
Great India Bustard (Critically Endangered)
(c) Critically Endangered (CR)
(d) Endangered (EN):
Vulnerable Species
(e) Vulnerable (VU)
(f) Near Threatened (NT)
(g) Least Concern (LC)
Least-Concern
(h) Data Deficient (DD)
(i) Not Evaluated (NE)
Keystone Species
Indicator Species
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1. What is the Red Data Book? |
2. Why is the Red Data Book important for biodiversity conservation? |
3. How are species listed in the Red Data Book? |
4. Who uses the information from the Red Data Book? |
5. How can the Red Data Book contribute to sustainable development? |
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