Eurasian Pygmy Owl, Glaucidium passerinum, in the valleys of Cuneo province (Piedmont, SW Alps). Rivista Italiana di Ornitologia, [S. l.], v. 80, n. 2, 2012. DOI: 10.4081/rio.2010.93. Disponível em: https://sisn.pagepress.org/rio/article/view/93. Acesso em: 1 jun. 2025.