_______ is the source book which keeps a record of all the endangered animals and plants.
Red data book
The Red Data Book is a type of a public document, which is created to keep a record of endangered and rare species including plants, animals, fungi as well as some local subspecies, which are present within the region of the state or country. The red data book helps us in providing complete information for research, studies and also for monitoring the programs on rare and endangered species and their habits. This book is mainly created to protect those species, which are on the verge of extinction, lost, harmed or not able to continue their life cycle. These species can either be animals, birds or plants.