For citations:
Sokolova N.A., Fufachev I.A., Sokolov A.A. Assessment of ptarmigan (Lagopus spp.) density as the main prey for gyrfalcon (Falco rusticolus) in autumn on the Yamal Peninsula. South of Russia: ecology, development. 2025;20(3):82-92. (In Russ.) https://doi.org/10.18470/1992-1098-2025-3-7




































