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  1. Morphological changes in European goldfinches ( Carduelis carduelis ) released by bird trappers

    Contributor(s):: Dominguez, J., Vidal, M., Tapia, L.

    In Spain, several Autonomous Communities have granted licenses to capture European goldfinches (Carduelis carduelis parva) during the post-breeding period, from August to December. In Galicia (NW Spain) and other Autonomous Communities, after 5-7 months of captivity, many birds are released. We...