Birds of the Black Sea Caucasus. Sparrow and unprecedented. Fan-expander. Ryabikov V., Tilba P.

The first publishing project of the Ekaterinbird Birdwater Community. The determinant is intended for cognitive excursions, independent and joint acquaintance with birds of people of any age. The fan is protected from humidity and damage with a special coating. The publication was issued with the scientific support of the Institute of Ecology of Plants and Animals of the Ural Branch of the Russian Academy of Sciences and the Ural Ornithological Society.