International Union For The Conservation Of Nature And Natural Resources (IUCN) publishes the Red Data Book in 1964.
IUCN was founded in 1948 and it aims to conserve species with the help of scientific knowledge and international cooperation.
Red Data Book or Red Book or Russian Red Data Book, documents the rare or endangered species and sub-species that exist within that boundary of that state or union.
Red Data Book help in designing effective measures in protecting them by evaluating and raising awareness.
It provides knowledge about their population, habitat, and ecology and provides conservation decisions, and helps in protecting nature we need to survive.