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

-By Mark Korducki- The mild weather continued through February but it was snowier than January. A snowfall early in the month produced a rare visit from a Golden-crowned Sparrow at a Richland County feeder. This bird was seen on two occasions during a week but was very shy. There are only a handful of previous records of this colorful western sparrow. Susan Reed of Richland County... Read More   

By Susan Bonfield Director, Environment for the Americas In 2009, scientists captured a Whimbrel in coastal Virginia, an important stopover site for the species. When the bird, a female nicknamed Hope, was released, she carried a satellite transmitter that provided details about her future travels. Shuttling between breeding grounds in northwestern Canada and a wintering site in the Virgin... Read More   

  A state bird organization is entering 2020 with new energy, a new name, a new logo, a new hire and a major new project – all aimed at recapturing its role as one of the nation’s leaders in mobilizing statewide bird conservation. The Wisconsin Bird Conservation Initiative (WBCI) is now the Wisconsin Bird Conservation Partnership (WBCP), highlighting its structure and the mission it... Read More   

WSO annually invites its members to update their Wisconsin year and life totals, their ABA Area life totals, their BIGBY total and all of their county life totals.

But you have only until March 1 to submit them. 


Submissions are now closed for 2019.


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  Call for Undergraduate and Graduate Student Poster Submissions WSO Annual Convention May 14-17, 2020 Two Rivers, Wisconsin   The Wisconsin Society for Ornithology (WSO) invites current undergraduate and graduate students to submit poster abstracts to be considered for presentation at our 2020 WSO Convention. The convention will offer students the opportunity... Read More   

  Tom Schultz, Field Trips co-chair As our group gathered near the Buena Vista kiosk around 8:00 AM, the temperature was fairly mild for January – about 27 degrees.  There was a moderate wind out of the northwest, which brought a bit of a wind chill, but at least we weren’t dealing with severe cold.  The skies were overcast, and our group numbered about 20, with... Read More   

By Ian Davies eBird Project Coordinator Cornell Lab of Ornithology Five years ago, the Wisconsin birding community went out on a limb — and forever changed bird atlasing. Wisconsin Breeding Bird Atlas II, the first dedicated eBird atlas portal, has led the way for the next generation of bird atlases. The efforts of Wisconsin birders have shown how an integrated online atlas platform can make... Read More   

Tom Schultz, Field Trips co-chair   Following two weather cancellations due to forecasted snow events, we finally got this field trip off!  Unfortunately, the eventual date brought much colder weather, with a strong northwest wind producing a nasty, subzero wind chill. Despite the 8 degree morning temperatures, a number of us gathered at South Shore Yacht Club at 8:00 AM –... Read More   

The bacterial disease avian cholera has been linked to the die-off of thousands of Double-crested Cormorants in Green Bay, according to the Wisconsin DNR. In late September, avian cholera was confirmed in cormorants submitted for necropsy to the USGS-National Wildlife Health Center in Madison. These cormorants were collected from the Cat Island causeway in Green Bay. Avian cholera is a common... Read More   

An assortment of tanagers, Varied Thrushes, odd ducks and solitaires By Mark Korducki After a cold and snowy November, December was mild and largely snow free over the southern half of the state.  The north was blanketed by heavy snow and there was little open water. Likely as a direct result of the mild temperatures, Milwaukee feeders hosted two species of tanagers.  A female Summer... Read More