Individuality in Scops owl (Otus scops) vocalizations
The paper is published on Bioacoustics. Please, if you are interested to get a copy, write to the author
Reference:
Marco Dragonetti, Individuality in Scops owl (Otus scops) vocalizations, Bioacoustics (2006&2007) Vol. 16, issue 2, p. 147-172.