Bloche, Daniel A. F., Kasper Thorup, Kent Olsen, Per Ekberg, Peter Ellegaard Larsen, Knud-Erik Strange, and Anders P. Tøttrup. “Breeding Biology of Red-Backed Shrikes (Lanius collurio): Distribution, Performance and Post-Fledging Survival in Denmark”. Ornis Fennica 100, no. 2 (August 4, 2023): 69–83. Accessed November 21, 2024. https://ornisfennica.journal.fi/article/view/124729.