What is a red data book ?

Question

What is a red data book ?

Answer 1

These are lists of species whose continued existence is threatened.

Answer 2

The IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), created in 1963, is the world's most comprehensive inventory of the global conservation status of plant and animal species. The International Union for the Conservation of Nature and Natural Resources (IUCN) is the world's main authority on the conservation status of species.[1]

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