Jacobsen, L. B., Sunde, P., Rahbek, C., Dablesteen, T. and Thorup, K. (2013) “Territorial calls in the Little Owl (Athene noctua): spatial dispersion and social interplay of mates and neighbours”, Ornis Fennica, 90(1), pp. 41–49. doi: 10.51812/of.133820.