Country of origin and number of European Goldfinches imported into the United States for the purpose of commercial trade, 2000–2014 (all available data). Dashed line represents birds imported from Australia by two California companies. Bars represent birds imported by a single Illinois company. Not shown are < 1700 birds imported from Canada, China, and New Zealand by four other entities.

 
 
  Part of: Craves JA, Anich NM (2023) Status and distribution of an introduced population of European Goldfinches (Carduelis carduelis) in the western Great Lakes region of North America. NeoBiota 81: 129-155. https://doi.org/10.3897/neobiota.81.97736