Sirkiä, S., A. Nikula, P. Helle, H. Lindén, K. Norrdahl, P. Suorsa, and P. Valkeajärvi. “Contemporary Mature Forest Cover Does Not Explain the Persistence of Capercaillie (Tetrao Urogallus) Lekking Areas in Finland”. Ornis Fennica 88, no. 4 (December 31, 2011): 208–216. Accessed November 21, 2024. https://ornisfennica.journal.fi/article/view/133784.