Kulaszewicz, Izabela, Dariusz Jakubas, and Katarzyna Wojczulanis-Jakubas. “Sex Discrimination in the Savi’s Warbler (Locustella Luscinioides) Using Morphometric Traits”. Ornis Fennica 90, no. 4 (December 31, 2013): 203–210. Accessed May 14, 2024. https://ornisfennica.journal.fi/article/view/133835.