Watershed of the Belskaya and Nugush rivers crossed with mountainous ridges.
Bird data is incomplete, more research is needed.
The map polygon is provided courtesy of the Spatial Database on Important Bird Areas of Russia 2014 (© Russian Bird Conservation Union, © Transparent World).
BirdLife International (2022) Important Bird Areas factsheet: Watershed of Bel'skaya and Nugush rivers. Downloaded from http://www.birdlife.org on 23/01/2022.