Alexandre Roulin, the world’s leading expert on barn owls, has compiled all the works published in Europe on this subject from 1860 to 2012.


https://www.rts.ch/play/radio/monsieur-jardinier/audio/la-chronique-de-daniel-cherix-decouvertes-a-propos-du-regime-alimentaire-de-la-chouette-effraie-?id=7843955