Klatt, P. H., and C. A. Paszkowski. “Intruder Pressure Explains More of the Variation in Territory Size Than Fish Abundance for Red-Necked Grebes Podiceps Grisegena Breeding on Small Boreal Lakes”. Ornis Fennica 82, no. 4 (December 31, 2005): 129–136. Accessed November 22, 2024. https://ornisfennica.journal.fi/article/view/133641.