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Promoting the enjoyment, study, and conservation of Wisconsin's birds.

Fall Warblers Field Trip 2023

Although a little cool (48 degrees), the weather in Green Bay was sunny and calm as our field trip attendees arrived at Bay Beach Wildlife Sanctuary on September 9th.  We gathered near one of the lagoons, took attendance, and began checking out the bird activity.  Present were MALLARDS, WOOD DUCKS, and CANADA GEESE, as well as GREEN HERON, SPOTTED SANDPIPER, and LESSER YELLOWLEGS. ... Read More   

Latest Conservation News

August is winding down and we hope you’re all enjoying the start of fall migration.  As birds fly south, we’re reminded of how important it is to protect their stopover sites in Wisconsin.  Below, we’ve featured some important opportunities to help protect those sites and the birds that depend on them.   The WSO Conservation Committee has made opposition to the development... Read More   

Jagerfest 2023

  This event started as a WSO (Wisconsin Society for Ornithology) field trip back in 1999 and has been annual ever since.  Hundreds of birders have attended over the years, not only from Wisconsin, but also many from Minnesota and a number of other states.  Jaegerfest is no longer featured as a WSO field trip for the past few years (for a variety of reasons), but many of us still... Read More   

Horicon Marsh Field Trip 2023

Birding on Old Marsh Road East End - photo Tom Schultz   On Sunday, August 13 the group began gathering around 7:00 AM along Highway 49, near a large mixed gathering of AMERICAN WHITE PELICANS, DOUBLE-CRESTED CORMORANTS, GREAT EGRETS, GREAT BLUE HERONS, MALLARDS, WOOD DUCKS, RING-BILLED GULLS, and others.  The skies were partly cloudy, and the temperature was cool and comfortable –... Read More   

Honey Creek Birdathon 5/27-28, 2023

                              The weather was nearly perfect for our 2023 Birdathon at Honey Creek (May 27-28), with about 9 people showing up to camp overnight at the Cox Nature Center.  Some of us took a couple of Saturday evening bird walks down Alder Lane, including one for owling.  The 7:00 PM... Read More   

Northern Kettle Moraine SF 6/3/23

On Saturday, June 3, at 6:00 AM, 16 people met at Long Lake Recreation Area for the WSO’s Kettle Moraine State Forest – Northern Unit field trip. This is a new meeting location for this trip. Mid-week I had to change the meeting location of this trip because on Wednesday before our trip while listening to WPR I discovered there was a huge event planned at Mauthe Lake, one of our principal... Read More   

Green space replaces Cox house at Honey Creek

By Rebecca Gilman WSO Secretary Attendees at this year’s WSO Birdathon/Bandathon were greeted with a new green space at our 372-acre Harold and Carla Kruse Honey Creek Nature Preserve. The house that once belonged to David and Hazel Cox and was purchased from surviving members of the Cox family in 2021 has been removed.  The decision to demolish the Cox house was a difficult one for... Read More   

WSO records panel thinks Eu. Goldfinch belongs on ABA checklist

The WSO Records Committee recently reviewed  a new scientific paper published in NeoBiota by Julie Craves and Nicholas Anich that explored the spread of European Goldfinches in the Midwest. The five-member committee, chaired by Quentin Yoerger, voted unanimously that it felt this species met all criteria for inclusion on the ABA list as an established exotic. The committee then reached out... Read More   

WSO 2023 Convention Wrap Up

  The WSO partnered with the Benjamin F. Goss Bird Club to hold our 2023 convention on May 19-21 in Waukesha. This first convention we have been able to hold since 2019 was very well receieved. Special thanks are due to all the volunteers and leaders from the WSO and Goss Bird Club without whom this event would not have been possible.  We were excited to see that there were almost... Read More   

Mead Wildlife Area April 22, 2023

This year’s outing was held, Saturday, April 22, 2023. Like last year, this is the latest date we’ve ever had this trip. (AGAIN a good thing, as Marathon County’s April weather has felt more like February). The weather was cold 32 degrees, breezy and partly cloudy. By the time we were done it was still only 38 degrees. We had a total of 15 attendees from across the state. The water levels... Read More   

White River Marsh - May 6th, 2023

White River Marsh 2023 Field Trip Report   by Tom Schultz It was a relatively mild morning on May 6, with the early morning temperature around 50 degrees.  The skies were cloudy, and there were periodic sprinkles.  Our planned start for this field trip was 5:00 AM, but we invited attendees to arrive at 4:30 if they were interested in trying for YELLOW RAIL, which had been... Read More