As of July 2022, 441 species of birds have been spotted in the state, according to the Wisconsin Society for Ornithology (WSO). Of those, 34 are casual (species with at least one record every one ...

Hummingbirds typically start arriving in Wisconsin in the beginning of May, though a few outlier birds may arrive in mid to late April. Like most bird species, male hummingbirds will migrate first ...