The correct answer is the
Red List. ●
International Union for Conservation of Nature(IUCN), is an international organization (NGO) working in the field of nature conservation and sustainable use of natural resources.
∘Headquarters: Gland, Switzerland.
●
Red List ∘The IUCN compiled and published the IUCN Red List which assesses the conservation status of species world wide.
● Grouping of three categories
1.Lower Risk
2.Threatened
■ Vulnerable
■Endangered
■Critically Endangered
3.Extinct
●
Nine groups of IUCN Red List ∘ Extinct: No known individuals remaining.
∘ Extinct in the wild: Known only to survive in captivity
∘Critically endangered: Extremely high risk of extinction in the wild.
∘Endangered: High risk of extinction in the wild.
∘ Vulnerable: High risk of endangerment in the wild.
∘Near threatened: Likely to become endangered in the near future
∘ Least concern: Lowest risk
∘ Data deficient: Not enough data to assess its risk
∘Not evaluated: has not yet been evaluated against the criteria.
●Some Critically endangered species of India
∘ Pygmy Hog
∘ White-backed Vulture
∘ Gharial