This Checklist of Wisconsin Birds contains all of the 437 valid species on the Wisconsin state list. Nomenclature and sequence follow the Seventh Edition of the Check-List of North American Birds, provided by the Classification Committee of the American Ornithologists’ Union, and the recently published 54th supplement to that Check-List.
Decisions regarding the inclusion of species on this list are made by the WSO Records Committee. Contact email@example.com for more information.
The checklist is available as a PDF file or an Excel Spreadsheet:
Last updated January 15, 2019.