Bloche, D.A.F., Thorup, K., Olsen, K., Ekberg, P., Ellegaard Larsen, P., Strange, K.-E. and Tøttrup, A.P. 2023. Breeding biology of Red-backed Shrikes (Lanius collurio): distribution, performance and post-fledging survival in Denmark. Ornis Fennica. 100, 2 (Aug. 2023), 69–83. DOI:https://doi.org/10.51812/of.124729.