On the history of the Red Data Book
International Union for the Conservation of Nature and Natural Resources (from 1994 on International Union for the Conservation of Nature (IUCN)) issued its first list of plant and animal species endangered worldwide.
First international Red Data Books were published.
Nature Conservation Committee of the Estonian Academy of Sciences issued the first national Red Data Book, published in four copies and intended for official use only.
By the traditions of that time it was made up from the separate sheets of different colours. The first book presented data about 259 different species. Brief estimate about the current status of the endangered taxa (species and subspecies) was added featuring the distribution, population numbers, condition of habitat and applied or proposed protection measures.
First popular version of Estonian Red Data Book was published. Along with the endangered species all protected species were featured on equal basis in this publication.
The second list of species of Estonian Red Data Book has been compiled following the proposals of t specialists different domains of systematics. This list included 315 species and was endorsed by the Red data book Committee.
After some amendments the list of the second Red data Book was published in a fact book "Estonian A&O".
The Red Data Book of the Baltic Sea Region was published. In this book the lists of endangered higher plant and vertebrate (excluding fishes) species of the states or administrative units of the Baltic Sea region were presented.
New set of criteria and categories for international Red Data List has been adopted by IUCN
New sets of criteria and categories has been first applied in compilation of Red Data List of endangered animals worldwide of IUCN.
The third edition of Estonian Red Data Book has been published. This version, which is still valid today, has been compiled and published by the Nature Conservation Committee of the Estonian Academy of Sciences.
Just like the previous edition, the new Red data Book was a result of cooperation of many biologists. This time it included already 1318 species or intraspecific units. Principally the conventional (IUCN) system of categories of endangered species has been used.