: The Orenburg Regional Universal Scientific Library maintains a dedicated portal for the Red Data Book, allowing users to browse species by category (mammals, birds, etc.) and access detailed descriptions.

Красная книга Оренбургской области - Институт степи |

: The most recent official edition (488 pages) is hosted by the Steppe Institute of the Ural Branch of the Russian Academy of Sciences . This volume covers invertebrates, vertebrates, plants, and fungi.