Is the European stonechat (Saxicola rubicola) a fully resident species in Italy? Observations on its phenology along the altitudinal gradient in central Italy. Rivista Italiana di Ornitologia, [S. l.], v. 96, n. 1, 2026. DOI: 10.4081/rio.2026.930. Disponível em: https://sisn.pagepress.org/rio/article/view/930. Acesso em: 3 jun. 2026.