Leito, A., I. Ojaste, J. Truu, and A. Palo. “Nest Site Selection of the Eurasian Crane Grus Grus in Estonia: An Analysis of Nest Record Cards”. Ornis Fennica 82, no. 2 (July 1, 2005): 44–54. Accessed November 22, 2024. https://ornisfennica.journal.fi/article/view/133632.