J. Carillo and E. González-Dávila, “Breeding biology and nest characteristics of the Eurasian Kestrel in different environments on an Atlantic island”, Ornis Fenn, vol. 82, no. 2, pp. 55–62, Jul. 2005, Accessed: Dec. 15, 2025. [Online]. Available: https://ornisfennica.journal.fi/article/view/133633