Red data book contains a record of endangered species
or
The red data book contains a record of species that are going to be extinct.

Introduction:
The Red Data Book is a comprehensive record that contains information about various species. It serves as a tool for conservationists and scientists to assess the threat status of different species and take appropriate steps for their protection. This book consists of detailed data on endangered and critically endangered species, including plants, animals, and fungi.

Contents of the Red Data Book:
The Red Data Book provides valuable information about a wide range of species, including their taxonomic classification, distribution, population size, habitat preferences, and the main threats they face. It also includes data on their ecological role, conservation measures, and any ongoing efforts to protect and restore their populations.

Species Classification:
The Red Data Book classifies species into different categories based on their conservation status. Some of the common categories include:

1. Endangered: Species that are facing a very high risk of extinction in the wild.
2. Critically Endangered: Species that are facing an extremely high risk of extinction in the wild.
3. Vulnerable: Species that are facing a high risk of extinction in the wild.
4. Near Threatened: Species that are close to being classified as threatened, but not yet meeting the criteria.
5. Data Deficient: Species for which there is insufficient information to assess their conservation status.

Importance of the Red Data Book:
The Red Data Book plays a crucial role in conservation efforts worldwide. It helps in identifying species that require urgent attention and conservation actions. The book serves as a guide for governments, conservation organizations, and policymakers to develop strategies for protecting endangered species and their habitats. It also helps in raising public awareness about the importance of biodiversity and the need for conservation.

Conservation Measures:
The Red Data Book serves as a valuable resource for implementing conservation measures. It helps in identifying priority areas for habitat conservation, establishing protected areas, and implementing species recovery programs. The data provided in the book assists in monitoring the success of these conservation actions and making necessary adjustments when needed.

Conclusion:
The Red Data Book is an essential tool for understanding the conservation status of various species and taking appropriate measures to protect them. It serves as a comprehensive record that provides detailed information about endangered and critically endangered species, enabling conservation efforts to be targeted effectively. By using the Red Data Book as a guide, we can work towards preserving biodiversity and ensuring the survival of threatened species for future generations.