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

The 2020 WSO Convention will be held from Thursday through Sunday May 14-17 in Two Rivers. Among the convention partners are the Woodland Dunes Nature Center and the Lighthouse Inn and Conference Center on the shore of Lake Michigan. “Our convention committee is excited to bring a meaningful and unforgettable experience to the bird-loving attendees of this conference,” said Nancy Nabak,... Read More   

-By Nick Anich (WBBA II Coordinator)- It would have been big news simply to be able to announce that all 1,283 priority and specialty blocks for the 2nd Wisconsin Breeding Bird Atlas had been marked complete. After all, there were nearly 500 blocks left to finish at the start of the fifth season, but with a phenomenal effort involving more than 2,000 people it got done. But the fifth season... Read More   

-Written by Tom Schultz- August 23-25. We couldn’t have asked for better weather for this event! It was sunny or partly cloudy for most of the weekend, with mild daytime temperatures in the mid-70s, and comfortable nights in the 50s. On top of all that, there was little or no wind for most of the time. Jeff Baughman, Wendy and I showed up at Cox Nature Center at Honey Creek right around 5:30... Read More   

-By Diane Packett (Great Wisconsin Birdathon Coordinator)- The 8th annual Great Wisconsin Birdathon has closed out at $85,778, or 95% of our fundraising goal. Started in 2012 as a collaboration of the Natural Resources Foundation of Wisconsin and the Wisconsin Bird Conservation Initiative (WBCI), the birdathon has grown to be one of the most successful in the nation. It has now raised more... Read More   

Saturday Aug. 10 brought perfect weather, with a 7:00 AM temperature around 66 degrees, partly cloudy skies, and nearly calm winds. Birders began gathering along Highway 49 well before that – greeting other attendees and scanning the marsh for birds of interest. Altogether, we had nearly 60 people join us this year! The bird spectacle around us was quite impressive, with lots of ducks,... Read More   

Port Washington -- William Mueller, director of the Western Great Lakes Bird and Bat Observatory, is retiring after nearly a decade of service. Present at every moment of the Observatory’s young life and the author of many of its proudest accomplishments, Mueller plans to retire Oct. 15. Mueller was tapped in 2010 to help implement the dream of the Observatory founder, the late Dr. Noel... Read More   

It's officially crunch time! The 2nd Wisconsin Breeding Bird Atlas has until about mid-August to complete all remaining blocks in the fifth and final season, and your help is needed. Here are the keys to a successful finish: -- Enter all outstanding data immediately. Atlas coordinators will be scrutinizing every open block at that point to determine where to focus efforts to finish. -- Only... Read More   

Due to unforeseen problems in the transition to a new editor, publication of both the Spring and Summer issues of The Passenger Pigeon has fallen behind schedule. WSO apologizes to its members for this delay. We anticipate that the Spring issue will reach members in August and the Summer issue a month or so later. It is likely that the Fall issue also will be delayed as the WSO Board searches... Read More   

It was a cold and wet month that triggered a late migration. The first big warbler waves were behind schedule this May with many areas not seeing a good flight until May 15. Once the dam finally burst there was a steady stream of migrants through the Memorial Day weekend. Some great rarities were reported and some species were seen in unprecedented numbers. The state's second Hooded Oriole was... Read More   

The 80th annual WSO convention over the Memorial Day weekend in Altoona was a collection of events, ranging from the kickoff picnic at the River Prairie Center’s riverfront pavilion to its annual Passenger Pigeon Awards Ceremony, to a special appearance by one of WSO’s historic figures, 99-year-old Dr. Charles Kemper, of Chippewa Falls (former editor of The Passenger Pigeon), to a collection... Read More