Klatt, P. H. and Paszkowski, C. A. (2005) “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(4), pp. 129–136. Available at: https://ornisfennica.journal.fi/article/view/133641 (Accessed: 22November2024).