Kallander, H. (1977). Food of the Long-eared Owl Asio otus in Sweden. Ornis Fennica, 54(2), 79–84. Retrieved from https://ornisfennica.journal.fi/article/view/132931
Ornis Fennica is a peer-reviewed international ornithological journal published by BirdLife Finland. We publish analytical and experimental papers on the ecology, behaviour and biogeography of birds. Ornis Fennica is published quarterly with online early practice.