Habitat preferences for Long-eared Owls Asio otus and Little Owls Athene noctua in semi-arid environments at three spatial scales.

2004. Martínez, J.A. & Zuberogoitia, I. 2004. Habitat preferences for Long-eared Owls Asio otus and Little Owls Athene noctua in semi-arid environments at three spatial scales. Bird Study, 51: 163-169