Chiarani, Eduardo, and Carla Fontana. “Birds of Parque Estadual Do Tainhas, an Important Protected Area of the Highland Grasslands of Rio Grande Do Sul, Brazil”. Papéis Avulsos de Zoologia 59 (August 15, 2019): e20195934. Accessed May 28, 2020. http://www.revistas.usp.br/paz/article/view/153650.