“The Lesser Black-Backed Gull, Larus Fuscus, in Piedmont and Aosta Valley: Distribution, Population Trend, Phenology and Significant Spring Concentrations”. Rivista Italiana di Ornitologia 81, no. 1 (December 15, 2012). Accessed June 1, 2025. https://sisn.pagepress.org/rio/article/view/76.