Bettega, C., del Mar Delgado, M., Campioni, L., Pedrini, P., & Penteriani, V. (2011). The quality of chicks and breeding output do not differ between first and replacement clutches in the Eagle Owl Bubo bubo. Ornis Fennica, 88(4), 217–225. https://doi.org/10.51812/of.133785