Cardona-Salazar, L. J., A. Busi, D. G. Castillo, P. A. Ossa-López, F. A. Rivera-Páez, R. A. Vásquez, and G. J. Castaño-Villa. “Breeding Biology in a Population of Rufous-Collared Sparrow (Zonotrichia Capensis, Statius Müller, 1776) at Different Elevations in the Tropical Andes”. Biota Neotropica, vol. 21, no. 1, Jan. 2021, //www.biotaneotropica.org.br/BN/article/view/1781.