Diet and breeding performance of Ural Owls Strix uralensis under fluctuating food conditions
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Korpimäki, E., & Sulkava, S. (1987). Diet and breeding performance of Ural Owls Strix uralensis under fluctuating food conditions. Ornis Fennica, 64(2), 57–66. Hämtad från https://ornisfennica.journal.fi/article/view/133235
