Morphological differences in a population of Rufous-collared Sparrow (Zonotrichia capensis, Statius Müller, 1776) (Passerine, Emberizidae) at different elevations in the Tropical Andes
Busi, Ana; Cardona-Salazar, Leydy J.; Castillo, Daniela Gómez; Ossa-López, Paula A.; Rivera-Páez, Fredy A.; Vásquez, Rodrigo A.; Castaño-Villa, Gabriel J..