This Annotated Checklist for Wisconsin now includes a list of
species of "disputed origin", and a list of hypothetical species, which
were not previously included. (Scroll to near the end of the document to see
both of these new sections.)
This version incorporates all recent nomenclature and sequence changes mandated as part of the updated
Check-list of North American Birds, published by the American Ornithologists' Union (AOU). If you would like to access the
North American Check-list, see it on the AOU website, at:
The new Check-list includes changes within several families, and other details. To see the description
and explanation of the committee work on these re-sequencing and name changes, see the 47th Supplement to the Check-list.
To find this paper, go to this pdf: