Question

the organization that maintains red data book​

Answer 1

Answer:

International Union for Conservation of Nature

The International Union for Conservation of Nature (IUCN) Red List of Threatened Species (also known as the IUCN Red List or Red Data List), founded in 1964, is the world's most comprehensive inventory of the global conservation status of biological species.

Answer 2

Answer:

IUCN international union for conservation of nature