Jakubas, Dariusz, and Katarzyna Wojczulanis-Jakubas. “Long Handling Time of a Big prey—Great Reed Warbler Acrocephalus Arundinaceus Foraging on Frog”. Ornis Svecica 19, no. 1 (January 1, 2009): 56–57. Accessed April 19, 2024. https://journals.lub.lu.se/os/article/view/22661.