Pagnoni GO. El Zorzalito Boreal (Catharus ustulatus swainsoni) en Puerto Madryn, Chubut, Argentina. Nuestras Aves [Internet]. 2015 Dec. 1 [cited 2025 Nov. 25];(60):66-7. Available from: https://nuestrasaves.avesargentinas.org.ar/home/article/view/270