A. Hakala, K. Huhtala, A. Kaikusalo, E. Pulliainen, and S. Sulkava, “Diet of Finnish Snowy Owls Nyctea scandiaca”, Ornis Fenn, vol. 83, no. 2, pp. 59–65, Jul. 2006, Accessed: Nov. 29, 2025. [Online]. Available: https://ornisfennica.journal.fi/article/view/133655