Correct Answer: Red

Solution : The correct option is the Red.

Endangered species are the species that are very likely to become extinct shortly, either worldwide or in a particular region of any state or country. Red Data Book documents the rare or endangered species that exist within that boundary of the state or Union, and it provides information about the habitat and ecology, which also helps in protecting nature and species. The International Union for the Conservation of Nature and Natural Resources published the Red Data Book in 1964, and IUCN was founded in 1948.