identification guide. Christopher Helm, London. Delgado-V., Carlos A. (2006): Observación de geofagia por el Jiguero Aliblanco Carduelis psaltria (Fringillidae). ["Report of geophagy in the Lesser Goldfinch C. psaltria (Fringillidae)"]. Boletín de la Sociedad Antioqueña de Ornitología 16(2): 31–34. [Spanish with English abstract] PDF fulltext Jaramillo, Alvaro; Burke, Peter & Beadle, David (2003): Field Guide to the Birds of Chile, Christopher Helm, London. hooded siskin Birds of South America hooded siskin hooded siskin