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

Summer Rare Birds: Cassin’s Kingbird would be a new state record

Dan Belter photographed what has been identified as a Cassin’s Kingbird in Marathon County on June 5. By Mark Korducki The exciting spring for rarities continued into early June. In Marathon County, a trip to search for Dickcissels turned up a much more exciting surprise for a Wausau birder. An unusual flycatcher was photographed and subsequently identified as a Cassin's Kingbird. If... Read More   

Action Alert: Support a ban on lead use on National Wildlife Refuges

The US Fish and Wildlife Service is proposing to open or expand hunting and/or sport fishing on 19 National Wildlife Refuges. In addition, they are proposing to ban the use of lead on these newly opened refuge lands. This ban on lead would include upland game hunting, big game hunting, as well as sport fishing.  While none of the proposed refuges are in Wisconsin, it is still important for... Read More   

Gopalan elected to lead WSO

In an election conducted largely online, WSO members have overwhelmingly elected to two-year terms the slate of officers proposed by the Board of Directors in May. On a vote of 197 to 2 (with 21-mail-in ballots), members elected these officers: President: Sunil Gopalan Vice President: Lynn Barber Secretary: Rebecca Gilman      Barber and Gilman were elected to the WSO Board... Read More   

Bah on Birds: Bell's Vireo

Bah on Birds: Bell’s Vireo by Mariama Bah, age 15 Hello and welcome to “Bah on Birds.” I’m Mariama Bah, author of “Bah on Birds” and a volunteer for the Wisconsin Society of Ornithology. In my free time, I like to crochet, read books, and learn new things, which is why I joined WSO. What I hope to accomplish with my volunteer work is to educate people about the endangered and... Read More   

WSO - Honey Creek Birdathon

By Jeff Baughman On Saturday, June 18, 2022, the WSO held its Birdathon/Bandathon at our Honey Creek property in Sauk County. The Birdathon portion of the event included an early dawn chorus field trip and later a hike on our trails north of Skyview Road. The dawn chorus trip started at Alder Drive and Skyview Roads intersection at 4 AM. It was a perfect morning for birding, with clear skies... Read More   

May brings surprising array of rare birds !

By Mark Korducki It has been a fantastic month of birding.   Jim Edlhuber photographed this second state record Fulvous Whistling Duck on Lake Waubesa in Dane County on May 16. The most unusual sighting during May occurred in Dane County where a Fulvous Whistling Duck was discovered. This bird was a one day wonder but proved quite cooperative that day and, thanks to modern communication... Read More   

WSO’s Big Birding Bash tallies at least 239 species

WSO invited the bird lovers of Wisconsin to participate in the state’s first ever Big Birding Bash over the weekend of May 21-22. It was an open invitation to members and non-members alike and to birders of all levels to join a bird walk, field trip, volunteer work day or community science event. The only ask from WSO was that groups or individuals contribute their sightings during those... Read More   

Kettle Moraine State Forest - Northern Unit Field Trip, June 2022

Our group of 19 birders met at Jersey Flats Prairie Restoration Project parking lot at 6 AM to begin our WSO field trip through a small part of the KMSF-NU. After introductions and a brief itinerary, we took a short walk on a mowed trail into the prairie. Soon we had nice scope views of our target species Henslow’s Sparrow. We eventually heard 4 of these small, flat headed sparrows... Read More   

WSO unveils the newest version of ‘Haunts’

The Wisconsin Society for Ornithology is proud to unveil the latest edition of the state’s original and most comprehensive bird-finding resource: Wisconsin’s Favorite Bird Haunts – in its first ever online and interactive format. Since its inception, Haunts has been considered a premier Wisconsin birding resource. The selected sites in the latest edition, chosen by 110 local experts in... Read More   

White River Marsh 2022 Report

By Tom Schultz, WSO field trip committee It was beautiful dawn at White River Marsh, with clear skies and calm winds – even though the early morning temperature was only about 35 degrees.  Our group of about 20 gathered along White River Road, and soon began a slow walk down the gravel roadway. The marsh was alive with bird song, with SORA and VIRGINIA RAILS calling, and SWAMP SPARROWS... Read More   

April Rare Birds Magpie! Garganey! Sharp-tailed Sandpiper! Long Billed-Curlew!

By Mark Korducki April started out colder and wetter than normal. It rained or snowed on the first 10 days of the month. This cold start delayed migration and made for some slow birding. The one rare sighting that occurred during the early part of the month was a group of three Black-billed Magpies in Bayfield County. At least two of these birds have been seen consistently and now Have... Read More