Hovi, M., Alatalo, R. V., Höglund, J. and Lundberg, A. (1996) “Traditionality of Black Grouse Tetrao tetrix leks”, Ornis Fennica, 73(3), pp. 119–123. Available at: https://ornisfennica.journal.fi/article/view/133444 (Accessed: 21May2024).