View of New data of the distribution of the Green-fronted Lancebill Doryfera ludovicae (Trochilidae) and of the Olive Finch Arremon castaneiceps (Emberizidae) in the province of El Oro, Ecuador | ACI Avances en Ciencias e Ingenierías

← New data of the distribution of the Green-fronted Lancebill <em>Doryfera ludovicae</em> (Trochilidae) and of the Olive Finch <em>Arremon castaneiceps</em> (Emberizidae) in the province of El Oro, Ecuador