Radzicki, G., J. Hejduk, and J. Banbura. “Tits (Parus Major and Parus Caeruleus) Preying Upon Bats”. Ornis Fennica 76, no. 2 (July 1, 1999): 93–94. Accessed November 13, 2024. https://ornisfennica.journal.fi/article/view/133503.