Spring is about a lot of things. The trees are blooming, lawns are getting greener, and… most excitedly… the birds are ...

But most people I know define the start of spring in Wisconsin as something ... species even leave the state for winter. Over the years my "first bird" has evolved, I wrote, from the American ...

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 ...

Red-winged blackbird, sandhill crane, northern cardinal, yellow warbler, common loon and hummingbird also were on the list of indicators.