The IUCN Red Data Book is maintained by The International Union for Conservation of Nature. The Red data book list gives an estimate of the wildlife biodiversity and how it can be efficiently maintained. Many nations across the world have prepared Red Data Books for their biological resources. A 1994 publication by Zoological Survey of India that lists endangered species of vertebrates and butterflies in India. Download or stream the PDF file from the Internet Archive website. The comprehensive compilation of endangered species is encompassed in the Red Data Book , aiming to furnish exhaustive data for the research and analysis of diverse species. This manual, presented in a loose-leaf format, provides information on the status of various species and is continually updated by the International Union for Conservation of Nature (IUCN) in Morges, Switzerland. The color “ Red ” symbolizes the current global peril faced by both plants and animals. Initially introduced ... Learn about the Red Data Book , a public document that records the information about rare and endangered species of plants, animals, and fungi. Find out the history, colour coding, types of species categories, advantages, disadvantages, and examples of the Red Data Book .