Abstract
Literature reports indicate that Carduelis magellanica inhabits semi-open or cultivated areas with scattered trees, feeding mostly on Asteraceae seeds. In this paper we provide a list of 10 non-Asteraceae plants consumed by this cardueline finch in the province of Buenos Aires, Argentina. The extended fruit availability (from March to December) of one of them (Fraxinus pennsylvanica, Oleaceae), a widespread exotic street tree, probably explains why the Hooded Siskin is fairly common in Buenos Aires city.
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