Question

Define Red data book?

Answer 1

Hint: It's a public document that's created for recording vulnerable and rare species of plants, animals, fungi likewise as some native taxonomic groups that occur in a very specific region.
This book helps the United States in providing complete data for analysis, studies, and conjointly for observation of programs on rare species and their habitats.

Complete answer
The red data book could be a state document created for documenting, recording rare and species as well as plants, animals, fungi likewise other native species that exist within the state or country. In 1964, the International Union for the Conservation of Nature (IUCN), was established and maintains the Red Data Book.

Additional information
The name of this book has its origins from Russia, it was originally called the Red Data Book of Russia or the RDBRF. The book was supported by an analysis conducted between 1961 and 1964 by biologists in Russia. Hence, it's conjointly known as the Russian Red Data Book.
IUCN is the world’s most elaborated inventory center of the worldwide conservation standing of biological species. The International Union for Conservation of Nature (IUCN) was supported in 1948 with an Associate in Nursing aim to keep up a whole record of each species that ever lived.
The Red Data Book contains the whole list of vulnerable species. The main aim behind this documentation is to produce complete data for analysis and analysis of various species.
The Red Data Book comprises color-coded data sheets that are organized in step with the extinction risk of the many species and taxonomic groups.
-Black color represents species that are confirmed to be extinct.
-Red color represents species that are vulnerable.
-Amber for those species whose standing is taken into account to be vulnerable.
-White is assigned for species that are rare.
-Green for species that were erstwhile vulnerable, however, their numbers have begun to recover.
-Grey colored for the species that are classified as vulnerable, endangered, or rare however enough data isn't out there to be properly classified.

Note:
The Red Data Book of India includes the conservation standing of animals and plants that are endemic to the Indian landmass. The information for this book is provided through surveys that can be conducted by the Zoological Survey of India and also the botanic Survey of India underneath the steerage of the Ministry of Environment, Forest, and global climate change.