Hario, M. and Rudbäck, E. (1999) “Dying in the midst of plenty — the third-chick fate in nominate Lesser Black-backed Gulls Larus f. fuscus”, Ornis Fennica, 76(2), pp. 71–77. Available at: https://ornisfennica.journal.fi/article/view/133500 (Accessed: 22November2024).