Arteaga-Chávez, W. A. FIRST RECORD OF CROWNED SLATY FLYCATCHER Empidonomus Aurantiotroacristatus (TYRANNIDAE) IN WESTERN ECUADOR. Rev. Ecuatoriana Ornitología 2021, 7 (1), 14-18. https://doi.org/10.18272/reo.v7i1.1938.