When Swallows postpone the south: first recorded November fledging of Hirundo rustica in Italy. Rivista Italiana di Ornitologia, [S. l.], v. 95, n. 2, 2025. DOI: 10.4081/rio.2025.908. Disponível em: https://sisn.pagepress.org/rio/article/view/908. Acesso em: 17 apr. 2026.